HTML5 實體名稱（字母– T）
並非下表中的所有實體都能在所有的瀏覽器中正確地顯示。
目前，IE 11 是唯一一個能正確顯示所有HTML5 實體的瀏覽器。
| 字符 | 實體名稱 | 十六進制 |
|---|---|---|
| 	 | Tab | 00009 |
| ⌖ | target | 02316 |
| Τ | Tau | 003A4 |
| τ | tau | 003C4 |
| ⎴ | tbrk | 023B4 |
| Ť | Tcaron | 00164 |
| ť | tcaron | 00165 |
| Ţ | Tcedil | 00162 |
| ţ | tcedil | 00163 |
| Т | Tcy | 00422 |
| т | tcy | 00442 |
| ⃛ | tdot | 020DB |
| ⌕ | telrec | 02315 |
| 𝔗 | Tfr | 1D517 |
| 𝔱 | tfr | 1D531 |
| ∴ | there4 | 02234 |
| ∴ | Therefore | 02234 |
| ∴ | therefore | 02234 |
| Θ | Theta | 00398 |
| θ | theta | 003B8 |
| ϑ | thetasym | 003D1 |
| ϑ | thetav | 003D1 |
| ≈ | thickapprox | 02248 |
| ∼ | thicksim | 0223C |
|    | ThickSpace | 0205F + 0200A |
| thinsp | 02009 | |
|   | ThinSpace | 02009 |
| ≈ | thkap | 02248 |
| ∼ | thksim | 0223C |
| Þ | THORN | 000DE |
| þ | thorn | 000FE |
| ∼ | Tilde | 0223C |
| ˜ | tilde | 002DC |
| ≃ | TildeEqual | 02243 |
| ≅ | TildeFullEqual | 02245 |
| ≈ | TildeTilde | 02248 |
| × | times | 000D7 |
| ⊠ | timesb | 022A0 |
| ⨱ | timesbar | 02A31 |
| ⨰ | timesd | 02A30 |
| ∭ | tint | 0222D |
| ⤨ | toea | 02928 |
| ⊤ | top | 022A4 |
| ⌶ | topbot | 02336 |
| ⫱ | topcir | 02AF1 |
| 𝕋 | Topf | 1D54B |
| 𝕥 | topf | 1D565 |
| ⫚ | topfork | 02ADA |
| ⤩ | tosa | 02929 |
| ‴ | tprime | 02034 |
| ™ | TRADE | 02122 |
| ™ | trade | 02122 |
| ▵ | triangle | 025B5 |
| ▿ | triangledown | 025BF |
| ◃ | triangleleft | 025C3 |
| ⊴ | trianglelefteq | 022B4 |
| ≜ | triangleq | 0225C |
| ▹ | triangleright | 025B9 |
| ⊵ | trianglerighteq | 022B5 |
| ◬ | tridot | 025EC |
| ≜ | trie | 0225C |
| ⨺ | triminus | 02A3A |
| ⃛ | TripleDot | 020DB |
| ⨹ | triplus | 02A39 |
| ⧍ | trisb | 029CD |
| ⨻ | tritime | 02A3B |
| ⏢ | trpezium | 023E2 |
| 𝒯 | Tscr | 1D4AF |
| 𝓉 | tscr | 1D4C9 |
| Ц | TScy | 00426 |
| ц | tscy | 00446 |
| Ћ | TSHcy | 0040B |
| ћ | tshcy | 0045B |
| Ŧ | Tstrok | 00166 |
| ŧ | tstrok | 00167 |
| ≬ | twixt | 0226C |
| ↞ | twoheadleftarrow | 0219E |
| ↠ | twoheadrightarrow | 021A0 |