200+ Shapes Names Every Student and Designer Should Know 🔷

Shapes surround us everywhere. From the round sun to the square windows. From triangular roofs to hexagonal honeycombs. Learning shapes names helps children, students, designers, and math enthusiasts communicate better. This post covers over 250 shapes names organized by type, dimension, and complexity. Basic shapes for beginners. Advanced shapes for geometry lovers. Rare shapes for the truly curious. 📐

What Are Shapes Names?

Shapes names are the words used to identify geometric figures based on their sides, angles, and dimensions. These names range from simple two-dimensional forms like circles and squares to complex three-dimensional solids like dodecahedrons and toruses. The study of shapes names falls under geometry, a branch of mathematics dating back to ancient Greece, Egypt, and Babylon. Learning shapes names builds spatial awareness and mathematical vocabulary. 🎯

Basic 2D Shapes Names Everyone Should Know 🔷

These foundational shapes appear everywhere in daily life. Simple and essential.

• Circle
• Square
• Triangle
• Rectangle
• Oval
• Diamond
• Heart
• Star
• Crescent
• Cross
• Arrow
• Pentagon
• Hexagon
• Heptagon
• Octagon
• Nonagon
• Decagon
• Parallelogram
• Rhombus
• Trapezoid
• Trapezium
• Kite
• Scalene triangle
• Isosceles triangle
• Equilateral triangle
• Right triangle
• Acute triangle
• Obtuse triangle
• Semicircle
• Quarter circle

Advanced 2D Shapes Names for Math Enthusiasts 📏

These polygons and curves appear in higher level geometry.

• Ellipse
• Sector
• Segment
• Annulus
• Lens
• Lune
• Curve
• Arc
• Chord
• Tangent
• Secant
• Quadrant
• Cartesian oval
• Cassini oval
• Cassini ellipse
• Folium
• Hyperbola
• Parabola
• Catenary
• Cardioid
• Limacon
• Lemniscate
• Astroid
• Deltoid
• Trefoil
• Quatrefoil
• Pentagram
• Hexagram
• Heptagram
• Octagram

Polygon Shapes Names by Number of Sides 🔺

These names come from Greek and Latin roots meaning “number of angles.”

• Triangle – 3 sides
• Quadrilateral – 4 sides
• Pentagon – 5 sides
• Hexagon – 6 sides
• Heptagon – 7 sides
• Octagon – 8 sides
• Nonagon – 9 sides
• Decagon – 10 sides
• Hendecagon – 11 sides
• Dodecagon – 12 sides
• Tridecagon – 13 sides
• Tetradecagon – 14 sides
• Pentadecagon – 15 sides
• Hexadecagon – 16 sides
• Heptadecagon – 17 sides
• Octadecagon – 18 sides
• Nonadecagon – 19 sides
• Icosagon – 20 sides
• Triacontagon – 30 sides
• Tetracontagon – 40 sides
• Pentacontagon – 50 sides
• Hexacontagon – 60 sides
• Heptacontagon – 70 sides
• Octacontagon – 80 sides
• Enneacontagon – 90 sides
• Hectogon – 100 sides
• Chiliagon – 1000 sides
• Myriagon – 10000 sides
• Megagon – 1,000,000 sides
• Apeirogon – infinite sides

Quadrilateral Shapes Names for Four Sided Figures 📐

These four sided polygons have special properties and names.

• Square
• Rectangle
• Rhombus
• Parallelogram
• Trapezoid
• Trapezium
• Kite
• Isosceles trapezoid
• Right trapezoid
• Obtuse trapezoid
• Acute trapezoid
• Crossed trapezoid
• Bow tie
• Chevron
• Concave quadrilateral
• Convex quadrilateral
• Cyclic quadrilateral
• Tangential quadrilateral
• Orthodiagonal quadrilateral
• Equidiagonal quadrilateral
• Bicentric quadrilateral
• Harmonic quadrilateral
• Varignon parallelogram
• Saccheri quadrilateral
• Lambert quadrilateral

Triangle Shapes Names by Angle and Side 🔺

Triangles classify by both angle measures and side lengths.

• Equilateral triangle
• Isosceles triangle
• Scalene triangle
• Right triangle
• Acute triangle
• Obtuse triangle
• Isosceles right triangle
• 30-60-90 triangle
• 45-45-90 triangle
• Obtuse isosceles triangle
• Obtuse scalene triangle
• Acute isosceles triangle
• Acute scalene triangle
• Right isosceles triangle
• Right scalene triangle
• Equiangular triangle
• Golden triangle
• Triangular
• Heronian triangle
• Rational triangle
• Integer triangle
• Egyptian triangle
• Pythagorean triangle
• Spiral triangle
• Reuleaux triangle

Curved 2D Shapes Names for Round Forms ⭕

These shapes feature curves instead of straight sides.

• Circle
• Oval
• Ellipse
• Semicircle
• Quarter circle
• Circular sector
• Circular segment
• Annulus
• Lens
• Lune
• Crescent
• Tear drop
• Heart shape
• Egg shape
• Pear shape
• Kidney shape
• Bean shape
• Cylinder cross section
• Cone cross section
• Sphere cross section
• Torpedo shape
• Bullet shape
• Capsule shape
• Stadium shape
• Stadium

3D Shapes Names for Solid Geometry 📦

These three dimensional forms have length, width, and height.

• Cube
• Cuboid
• Sphere
• Hemisphere
• Cylinder
• Cone
• Pyramid
• Tetrahedron
• Octahedron
• Dodecahedron
• Icosahedron
• Prism
• Triangular prism
• Rectangular prism
• Pentagonal prism
• Hexagonal prism
• Octagonal prism
• Square pyramid
• Triangular pyramid
• Pentagonal pyramid
• Hexagonal pyramid
• Cone
• Frustum
• Ellipsoid
• Spheroid
• Toroid

Advanced 3D Shapes Names for Complex Forms 🔮

These less common solids appear in higher mathematics.

• Rhombus prism
• Trapezoidal prism
• Parallelogram prism
• Octahedron
• Rhombic dodecahedron
• Pentagonal trapezohedron
• Tetragonal trapezohedron
• Triangular dipyramid
• Square dipyramid
• Pentagonal dipyramid
• Triangular cupola
• Square cupola
• Pentagonal cupola
• Triangular rotunda
• Pentagonal rotunda
• Elongated triangular pyramid
• Elongated square pyramid
• Elongated pentagonal pyramid
• Gyroelongated square pyramid
• Gyroelongated pentagonal pyramid
• Triangular bipyramid
• Square bipyramid
• Pentagonal bipyramid
• Hexagonal bipyramid
• Octahedral bipyramid

Platonic Solids Names for Perfect Polyhedra ⭐

These five regular convex polyhedra have identical faces.

• Tetrahedron – 4 triangular faces
• Cube – 6 square faces
• Octahedron – 8 triangular faces
• Dodecahedron – 12 pentagonal faces
• Icosahedron – 20 triangular faces
• Great dodecahedron
• Small stellated dodecahedron
• Great stellated dodecahedron
• Great icosahedron
• Stellated octahedron
• Stellated tetrahedron
• Stellated cube
• Stellated icosahedron
• Stellated dodecahedron
• Truncated tetrahedron
• Truncated cube
• Truncated octahedron
• Truncated dodecahedron
• Truncated icosahedron
• Rhombicuboctahedron
• Rhombicosidodecahedron
• Truncated cuboctahedron
• Truncated icosidodecahedron
• Snub cube
• Snub dodecahedron

Archimedean Solids Names for Semi Regular Forms 📐

These 13 solids have identical vertices and regular but different faces.

• Truncated tetrahedron
• Truncated cube
• Truncated octahedron
• Truncated dodecahedron
• Truncated icosahedron
• Cuboctahedron
• Icosidodecahedron
• Rhombicuboctahedron
• Rhombicosidodecahedron
• Truncated cuboctahedron
• Truncated icosidodecahedron
• Snub cube
• Snub dodecahedron
• Elongated square gyrobicupola
• Elongated pentagonal gyrobirotunda
• Gyroelongated square bicupola
• Gyroelongated pentagonal birotunda
• Triangular orthobicupola
• Square orthobicupola
• Pentagonal orthobicupola
• Triangular gyrobicupola
• Square gyrobicupola
• Pentagonal gyrobicupola
• Triangular orthobirotunda
• Pentagonal orthobirotunda

Prism and Pyramid Shapes Names 🔺

These solids extend polygons into the third dimension.

• Triangular prism
• Square prism
• Rectangular prism
• Pentagonal prism
• Hexagonal prism
• Heptagonal prism
• Octagonal prism
• Nonagonal prism
• Decagonal prism
• Triangular pyramid
• Square pyramid
• Rectangular pyramid
• Pentagonal pyramid
• Hexagonal pyramid
• Heptagonal pyramid
• Octagonal pyramid
• Nonagonal pyramid
• Decagonal pyramid
• Elongated triangular pyramid
• Elongated square pyramid
• Elongated pentagonal pyramid
• Elongated hexagonal pyramid
• Gyroelongated square pyramid
• Gyroelongated pentagonal pyramid
• Gyroelongated hexagonal pyramid

Star Polygon Shapes Names for Symmetry Lovers ⭐

These self intersecting polygons create star patterns.

• Pentagram
• Hexagram
• Heptagram
• Octagram
• Nonagram
• Decagram
• Hendecagram
• Dodecagram
• Star of David
• Star of Lakshmi
• Star polygon
• Star figure
• Five point star
• Six point star
• Seven point star
• Eight point star
• Nine point star
• Ten point star
• Eleven point star
• Twelve point star
• Star of Ishtar
• Seal of Solomon
• Unicursal hexagram
• Unicursal octagram
• Unicursal pentagram

Mathematical Curve Names for Advanced Geometry 📈

These curves have specific mathematical definitions.

• Circle
• Ellipse
• Parabola
• Hyperbola
• Cardioid
• Limacon
• Lemniscate
• Astroid
• Deltoid
• Folium
• Catenary
• Tractrix
• Cissoid
• Conchoid
• Strophoid
• Cycloid
• Epicycloid
• Hypocycloid
• Spiral
• Archimedean spiral
• Logarithmic spiral
• Fermat’s spiral
• Hyperbolic spiral
• Cornu spiral
• Clothoid
• Involute
• Evolute
• Pursuit curve
• Dragon curve
• Hilbert curve

Tessellation Shapes Names for Pattern Lovers 🔲

These shapes fit together without gaps.

• Square
• Rectangle
• Triangle
• Hexagon
• Parallelogram
• Rhombus
• Trapezoid
• Kite
• Chevron
• Arrowhead
• Cairo pentagonal tiling
• Prismatic pentagonal tiling
• Floret pentagonal tiling
• Cinquefoil
• Trefoil
• Quatrefoil
• Hexagonal tiling
• Triangular tiling
• Square tiling
• Rhombille tiling
• Kite tiling
• Dart tiling
• Penrose rhombus
• Penrose kite
• Penrose dart

Fractal Shapes Names for Infinitely Complex Forms 🌿

These self similar shapes repeat at every scale.

• Sierpinski triangle
• Sierpinski carpet
• Sierpinski pyramid
• Menger sponge
• Koch snowflake
• Koch curve
• Dragon curve
• Barnsley fern
• Mandelbrot set
• Julia set
• Burning ship fractal
• Cantor set
• Cantor dust
• Hilbert curve
• Peano curve
• Gosper curve
• Moore curve
• Levy C curve
• T-square fractal
• Vicsek fractal
• Pythagoras tree
• Apollonian gasket
• Sierpinski tetrahedron
• Minkowski sausage
• Box fractal

Organic and Irregular Shapes Names for Art and Design 🎨

These shapes appear in nature and freeform art.

• Blob
• Splat
• Splash
• Drip
• Splatter
• Cloud shape
• Puddle shape
• Amoeba shape
• Leaf shape
• Petal shape
• Wave shape
• Flame shape
• Smoke shape
• Mountain shape
• Hill shape
• Valley shape
• Cave shape
• Rock shape
• Stone shape
• Pebble shape
• Boulder shape
• Cliff shape
• Coastline shape
• Island shape
• Lake shape

Logo and Symbol Shapes Names for Designers 🖌️

These shapes frequently appear in branding and icons.

• Speech bubble
• Thought bubble
• Callout box
• Explosion burst
• Sunburst
• Rays
• Corner ribbon
• Flag shape
• Banner shape
• Ribbon shape
• Seal shape
• Badge shape
• Medallion shape
• Crest shape
• Shield shape
• Arrow shape
• Chevron shape
• V shape
• Boomerang shape
• U shape
• C shape
• S shape
• Z shape
• L shape
• T shape

Finding the Right Shapes Name for Your Need 🎯

Start with the number of sides. Triangles have three. Quadrilaterals have four. Pentagons have five. Count carefully. Then look at the angles. Right angles make squares and rectangles. Acute angles make sharp shapes. Obtuse angles make wide shapes. Also consider dimensions. Flat shapes are 2D. Solid shapes are 3D. Some shapes have curves like circles and ellipses. Some have only straight lines like polygons. The right name describes the shape accurately. Use these categories to narrow down options. 📐

Why Shapes Names Matter in Everyday Life 💖

Shapes names help people communicate about the physical world. Architects use them to design buildings. Engineers use them to build machines. Designers use them to create logos. Children learn them to describe what they see. Without shape names, explaining a hexagon becomes impossible. Saying “a shape with six sides” works but takes longer. The name hexagon says it all. One word. Perfect clarity. Shapes names also build mathematical vocabulary. This vocabulary opens doors to geometry, trigonometry, and calculus. Start with basic shapes. Learn the names. The advanced ones come later. 💙

What the Most Common Shapes Names Share in Common ✨

Look at the most used shape names. Circle. Square. Triangle. Rectangle. Each has one or two syllables. Easy to say. Easy to remember. Each describes a distinct form that appears everywhere. Circles appear in wheels and coins. Squares appear in tiles and boxes. Triangles appear in roofs and pyramids. Rectangles appear in screens and doors. Common shape names also translate easily across languages. Circle is cercle in French, circulo in Spanish. The Latin and Greek roots travel well. These names have stood the test of time. Ancient Greeks named many of them thousands of years ago. Still used today. That is staying power. 🌟

Things to Watch For When Learning Shapes Names ❌

Several common mistakes confuse learners. Mixing up rhombus and parallelogram. A rhombus has equal sides. A parallelogram has parallel opposite sides. All rhombuses are parallelograms. Not all parallelograms are rhombuses. Confusing trapezoid and trapezium. In the US, trapezoid has one pair of parallel sides. In the UK, trapezium means the same thing. Pronunciation also causes problems. Heptagon vs hexagon. Heptagon has seven sides. Hexagon has six. Octagon has eight. Nonagon has nine. The prefixes come from Greek numbers. Learn the prefixes. The names become easier. 📖

The Real Impact of Knowing Shapes Names 💭

Knowing shapes names builds spatial intelligence. This intelligence helps with parking cars, packing boxes, and reading maps. It helps with sports, art, and cooking. Cutting vegetables into shapes. Arranging furniture in a room. Folding laundry into rectangles. Shapes are everywhere. Knowing their names makes the world more understandable. For children, shapes names are early math skills. Recognizing a square leads to counting its sides. Counting sides leads to understanding perimeter. Perimeter leads to area. Area leads to volume. One small name opens an entire mathematical world. That is the power of vocabulary. 🌟

Can Learning Shapes Names Help With Advanced Math 😊

Yes, absolutely. Geometry builds on shape names. Trigonometry uses triangles constantly. Calculus uses curves and arcs. Algebra uses coordinate planes divided into quadrants. Without shape names, explaining these concepts becomes clumsy. “The shape with eight sides” slows down learning. “Octagon” speeds it up. Shape names also help with pattern recognition. Noticing that a honeycomb uses hexagons leads to questions about why. Why hexagons instead of squares or triangles? The answer involves geometry, efficiency, and nature. That question starts with knowing the shape name. One name. Infinite curiosity. 📝

Simple Tips for Memorizing Shapes Names 🎁

Use flashcards with pictures. See the shape. Say the name. Write the name. Repeat. Group shapes by number of sides. Triangles have three. Quadrilaterals have four. Pentagons have five. The prefixes help. Tri means three. Quad means four. Penta means five. Hexa means six. Hepta means seven. Octa means eight. Nona means nine. Deca means ten. Learn the prefixes. Learn any shape. Use real world examples. Stop signs are octagons. Pizza slices are triangles. Dice are cubes. Eggs are ovals. Connect the name to something familiar. Practice daily. Five minutes a day works better than one hour once a week. Consistency wins. 💌

If you enjoyed these shapes names, you might also like our collection of color names or pattern names for design inspiration.

Frequently Asked Questions (FAQ) ❓

What are the 5 basic shapes names every child should know?

Circle, square, triangle, rectangle, and oval. These five shapes appear everywhere in daily life. Children learn these first in preschool and kindergarten. Parents can point them out during walks, meals, and playtime. 🔴🟦🔺

How many 3D shapes names exist?

Hundreds. Basic ones include cube, sphere, cylinder, cone, and pyramid. Advanced ones include dodecahedron, icosahedron, and torus. Mathematicians continue discovering new forms. The list keeps growing. 📦

What is the shape with 100 sides called?

A hectogon. The prefix hecto means one hundred. Gon means angle. So hectogon means one hundred angles. A regular hectogon looks almost like a circle from a distance. But zoom in. One hundred tiny sides appear. 🎯

Are there shapes with curved sides besides circles?

Yes, many. Ellipses, ovals, cardioids, and limacons have curved sides. Parabolas and hyperbolas also feature curves. Nature loves curved shapes. Leaves, waves, and clouds rarely use straight lines. 🌊

What is the difference between a rhombus and a diamond?

A rhombus is the mathematical term for a quadrilateral with four equal sides. Diamond is the common name, especially when oriented with one point up. All diamonds are rhombuses. Not all rhombuses are called diamonds. 💎

How do I pronounce difficult shape names?

Break them into syllables. I-co-sa-he-dron. Do-de-ca-he-dron. Practice each part separately. Then put them together. Online pronunciation guides help. Hearing the word makes saying it easier. 🔊

What shape has the most sides with a common name?

A googolgon has one googol sides. That is a one followed by one hundred zeros. No one has ever drawn a true googolgon. The name exists mathematically. Practically, a chiliagon (1000 sides) is the largest commonly named polygon. 🔢

Conclusion 📐

Shapes names open doors to understanding the physical world. From the simplest circle to the most complex dodecahedron, each name carries meaning. Each name helps describe something real. Something that exists in nature or human design.

Say the names aloud. Draw the shapes. Count the sides. Notice shapes everywhere. In buildings. In nature and In art. The world becomes richer when every form has a name.

May your understanding of shapes grow. May your vocabulary expand and May you see geometry everywhere you look. 📐🔷🔺