List of symbols

Last updated May 12, 2025

Many (but not all) graphemes that are part of a writing system that encodes a full spoken language are included in the Unicode standard, which also includes graphical symbols. See:

Basic communication

⃠ — No symbol
Character
Circled dot
Emoji
- ☺ — Smiley
✓ — checkmark (UK: tick)
Harvey balls
☆ — Star (polygon)
I - signal
0 - lack of signal, example: [ ],[0]

Scientific and engineering symbols

Alchemical symbols
Astronomical symbols
- Planet symbols
Chemical symbols
Electronic symbol (for circuit diagrams, etc.)
Engineering drawing symbols
Energy Systems Language
Hazard symbols
List of mathematical constants (typically letters and compound symbols)
Glossary of mathematical symbols
List of physical constants (typically letters and compound symbols)
List of common physics notations (typically letters used as variable names in equations)
Rod of Asclepius / Caduceus as a symbol of medicine

Consumer symbols

Various currency signs (sublist)

Navigational symbols

Traffic signs, including warning signs contain many specialized symbols (see article for list)
DOT pictograms
ISO 7001
Exit sign, a.k.a. "running man"^[1]
Gender symbols for public toilets
Map symbol
- Japanese map symbols
International Breastfeeding Symbol
International Symbol of Access
National Library Symbol (United States)
Barber's pole

Food

EC identification and health marks, for animal products
Food safe symbol marking food contact materials in the European Union
British Egg Industry Council lion

Kosher symbols

General consumer products

Recycling symbol
Laundry symbol
Period-after-opening symbol (on cosmetics as 6M, 12M, 18M, etc.)
U+2602☂UMBRELLA - keep dry
U+2614☔UMBRELLA WITH RAIN DROPS - keep dry
Japanese postal mark
℮, the European estimated sign U+212E
Inventory tracking symbols
- Barcode such as a Universal Product Code
- QR code
Printing registration marks intended for the manufacturer of the packaging, to ensure different colors are aligned when printed
Various certification marks (see article for list) signifying conformance with a government or private organization's requirements
Shipping symbols^[2] from ISO standard 780 "Pictorial marking for handling of goods"^[3] or ASTM D5445 "Standard Practice for Pictorial Markings for Handling of Goods"^[4] which depict shipping boxes as squares with rounded corners:
- "Fragile": the silhouette of a broken wine glass
- "This end up": a horizontal line with two arrows pointing up
- "Do not stack": a filled-in box, under a crossed-out outlined box
- "Maximum stack height": three boxes stacked vertically; the bottom one is filled in, the middle one is an outline with a number inside (the number of boxes to safely stack on top of this one), and the top one is an outline and crossed out
- "Maximum stack weight": from the bottom upward: a box, a horizontal line, a wide arrow pointing down, and a number followed by "kg max"
- "Keep dry": an umbrella with rain falling on it
- "Protect from sunlight": a circle with rays coming out of it, with a box protected by a chevron
- "Protect from radiation": the radiation symbol, separated from a box by a chevron
- "Center of gravity": crosshairs pointing to the center of a dashed circle
- "Do not roll": a box with a curved arrow above, and a cross-out line coming up from the box at an angle
- "Do not use hand hooks"
- "Do not use hand truck"
- "Do not use forklift"
- "Clamp as indicated": a filled-in box with a vertical line and inward-pointing arrow on the right and left
- "Do not clamp": the same as "clamp as indicated", crossed out
- "Sling here": the silhouette of a chain
- A thermometer with a diagonal slash, indicating the maximum and minimum temperature

Property and pricing

U+2122™TRADE MARK SIGN
U+2120℠SERVICE MARK
U+00AE®REGISTERED SIGN
U+2117℗SOUND RECORDING COPYRIGHT
U+24CDⓍ, U+24E8 Ⓨ - Japanese typographic symbols used under Japan's resale price maintenance system
Various logos
Various trademarks

Technology symbols

Media control symbols
Power symbol
Unicode symbols
Various computer icons

Naval

Jolly Roger - "this ship is controlled by pirates"
International Code of Signals
International maritime signal flags

Religious and mystical symbols

A subset has been used as United States Department of Veterans Affairs emblems for headstones and markers.

A

B

C

☤ Caduceus, a symbol of commerce, often erroneously used as a symbol of medicine.
Camunian rose
Celtic cross
חַי Chai
ΧΡ Chi Rho
Christian symbolism
- Christian cross / Christian cross variants
Conch shell
Coptic cross
☽ Crescent
Cross
Cross and Crown
Cross and flame
Cross of Sacrifice
Cross of St. Peter
Crucifix
Crux Gemmata

D

E

F

G

H

I

K

L

M

N

O

P

Q

Quincunx

R

U

V

W

Y

Heraldic symbols

Historical

Sports and games

References

↑ Turner, Julia (2010-03-08). "The Big Red Word vs. the Little Green Man". Slate. ISSN 1091-2339 . Retrieved 2019-10-19.
↑ "Appendix 1. Packaging marks - Transport - CTU Code - UNECE Wiki". Unece.org. 2014-08-25. Retrieved 2016-01-20.
↑ "ISO 780:1997(en) Packaging — Pictorial marking for handling of goods". Iso.org. Retrieved 2016-01-20.
↑ "ASTM D5445 - 15 Standard Practice for Pictorial Markings for Handling of Goods". Astm.org. Retrieved 2016-01-20.

This article includes a list of lists.

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[1] Turner, Julia (2010-03-08). "The Big Red Word vs. the Little Green Man". Slate. ISSN 1091-2339 . Retrieved 2019-10-19.

[2] "Appendix 1. Packaging marks - Transport - CTU Code - UNECE Wiki". Unece.org. 2014-08-25. Retrieved 2016-01-20.

[3] "ISO 780:1997(en) Packaging — Pictorial marking for handling of goods". Iso.org. Retrieved 2016-01-20.

[4] "ASTM D5445 - 15 Standard Practice for Pictorial Markings for Handling of Goods". Astm.org. Retrieved 2016-01-20.

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