| ๐ | Locked | U+1F512 | 🔒 |
| ๐ | Unlocked | U+1F513 | 🔓 |
| ๐ | Locked with Key | U+1F510 | 🔐 |
| ๐ | Locked with Pen | U+1F50F | 🔏 |
| ๐ | Key | U+1F511 | 🔑 |
| ๐๏ธ | Old Key | U+1F5DD | 📝 |
| โโ | ASCII Lock-like Shape | U+2310 / U+2320 | ⌐ / ⌠ |
| โธ | Box with Vertical Bars (Keyhole style) | U+2338 | ⌸ |
| โ | Electrical Lock Symbol | U+2301 | ⌁ |
| โ | Focal Dot (Keyhole-type) | U+25C9 | ◉ |
| โ | Circle Shadowed Keyhole | U+25CD | ◍ |
| ้ต | Kanji: Key | U+9375 | 鍵 |
| ้ | Kanji: Close/Lock | U+9589 | 閉 |
| ๅฎ | Kanji: Protect/Secure | U+5B88 | 守 |
| ๐
| Luggage Locker | U+1F6C5 | 🛅 |
| ๐ | Passport Control | U+1F6C2 | 🛂 |
| ๐ | Customs (Security Check) | U+1F6C3 | 🛃 |
| ๐ก๏ธ | Shield (Protection) | U+1F6E1 | 🛡 |
| โฌ | Black Square (Padlock Body) | U+2B1B | ⬛ |
| โฌ | White Square | U+2B1C | ⬜ |
| โค | Square with Horizontal Fill | U+25A4 | ▤ |
| โฟ | Lock with Keyhole | U+26BF | ⚿ |
| ๐ช | Coin (Key Token) | U+1FA99 | 🮙 |
