Los navegadores más antiguos no sean compatibles con todas las entidades de HTML5 en la tabla de abajo.
Chrome tiene un buen apoyo. Pero (currently) solo para IE y Firefox 11+ 35+ admite todas las entidades.
| Personaje | Nombre de la entidad | hexadecimal |
|---|---|---|
| Á | Aacute | 000C1 |
| á | aacute | 000E1 |
| Ă | Abreve | 00102 |
| ă | abreve | 00103 |
| ∾ | ac | 0223E |
| ∿ | acd | 0223F |
| ∾̳ | acE | 0223E + 00333 |
| Â | Acirc | 000C2 |
| â | acirc | 000E2 |
| ´ | acute | 000B4 |
| А | Acy | 00410 |
| а | acy | 00430 |
| Æ | AElig | 000C6 |
| æ | aelig | 000E6 |
| | af | 02061 |
| 𝔄 | Afr | 1D504 |
| 𝔞 | afr | 1D51E |
| À | Agrave | 000C0 |
| à | agrave | 000E0 |
| ℵ | alefsym | 02135 |
| ℵ | aleph | 02135 |
| Α | Alpha | 00391 |
| α | alpha | 003B1 |
| Ā | Amacr | 00100 |
| ā | amacr | 00101 |
| ⨿ | amalg | 02A3F |
| & | amp | 00026 |
| ⩓ | And | 02A53 |
| ∧ | and | 02227 |
| ⩕ | andand | 02A55 |
| ⩜ | andd | 02A5C |
| ⩘ | andslope | 02A58 |
| ⩚ | andv | 02A5A |
| ∠ | ang | 02220 |
| ⦤ | ange | 029A4 |
| ∠ | angle | 02220 |
| ∡ | angmsd | 02221 |
| ⦨ | angmsdaa | 029A8 |
| ⦩ | angmsdab | 029A9 |
| ⦪ | angmsdac | 029AA |
| ⦫ | angmsdad | 029AB |
| ⦬ | angmsdae | 029AC |
| ⦭ | angmsdaf | 029AD |
| ⦮ | angmsdag | 029AE |
| ⦯ | angmsdah | 029AF |
| ∟ | angrt | 0221F |
| ⊾ | angrtvb | 022BE |
| ⦝ | angrtvbd | 0299D |
| ∢ | angsph | 02222 |
| Å | angst | 000C5 |
| ⍼ | angzarr | 0237C |
| Ą | Aogon | 00104 |
| ą | aogon | 00105 |
| 𝔸 | Aopf | 1D538 |
| 𝕒 | aopf | 1D552 |
| ≈ | ap | 02248 |
| ⩯ | apacir | 02A6F |
| ⩰ | apE | 02A70 |
| ≊ | ape | 0224A |
| ≋ | apid | 0224B |
| ' | apos | 00027 |
| | ApplyFunction | 02061 |
| ≈ | approx | 02248 |
| ≊ | approxeq | 0224A |
| Å | Aring | 000C5 |
| å | aring | 000E5 |
| 𝒜 | Ascr | 1D49C |
| 𝒶 | ascr | 1D4B6 |
| ≔ | Assign | 02254 |
| * | ast | 0002A |
| ≈ | asymp | 02248 |
| ≍ | asympeq | 0224D |
| Ã | Atilde | 000C3 |
| ã | atilde | 000E3 |
| Ä | Auml | 000C4 |
| ä | auml | 000E4 |
| ∳ | awconint | 02233 |
| ⨑ | awint | 02A11 |