| ■ | Black Square | ■ | U+25A0 |
| □ | White Square | □ | U+25A1 |
| ▣ | White Square with Center | ▣ | U+25A3 |
| ▤ | Horizontal Fill Square | ▤ | U+25A4 |
| ▥ | Vertical Fill Square | ▥ | U+25A5 |
| ▦ | Crosshatch Square | ▦ | U+25A6 |
| ▧ | Left-Half Black Square | ▧ | U+25A7 |
| ▨ | Right-Half Black Square | ▨ | U+25A8 |
| ▩ | Square with Diagonal Crosshatch | ▩ | U+25A9 |
| ▪ | Black Small Square | ▪ | U+25AA |
| ▫ | White Small Square | ▫ | U+25AB |
| 〘 | White Square Bracket Left | 〘 | U+3018 |
| 〙 | White Square Bracket Right | 〙 | U+3019 |
| 〚 | Left Double Square Bracket | 〚 | U+301A |
| 〛 | Right Double Square Bracket | 〛 | U+301B |
| 🟥 | Red Square | 🟥 | U+1F7E5 |
| 🟧 | Orange Square | 🟨 | U+1F7E7 |
| 🟨 | Yellow Square | 🟩 | U+1F7E8 |
| 🟩 | Green Square | 🟪 | U+1F7E9 |
| 🟦 | Blue Square | 🟫 | U+1F7EA |
| 🟪 | Purple Square | 🟬 | U+1F7EB |
| ⬛ | Black Large Square | ⬛ | U+2B1B |
| ⬜ | White Large Square | ⬜ | U+2B1C |
| 口 | Square Mouth Radical | 口 | U+53E3 |
| 囗 | Large Square Enclosure | 團 | U+56D7 |
| 囙 | Box with Dot | 囹 | U+56D9 |
| 囘 | Decorative Square Loop | 囸 | U+56D8 |
| 囚 | Person in a Square | 固 | U+56DA |
