Názvy entit HTML5 podle abecedy - O
Starší prohlížeče nemusí podporovat všechny entity HTML5 v tabulce níže.
Chrome a Opera mají dobrou podporu a IE 11+ a Firefox 35+ podporují všechny entity.
| Charakter | Název entity | Hex | prosinec |
|---|---|---|---|
| Ach | Oacute | 000D3 | 211 |
| Ach | oakutní | 000F3 | 243 |
| ⊛ | oast | 0229B | 8859 |
| ⊚ | ocir | 0229A | 8858 |
| DEŠTNÍK | Ocirc | 000D4 | 212 |
| Deštník | ocirc | 000F4 | 244 |
| О | Ocy | 0041E | 1054 |
| о | ocy | 0043E | 1086 |
| ⊝ | odash | 0229D | 8861 |
| Ő | Odblac | 00150 | 336 |
| ő | odblac | 00151 | 337 |
| ⨸ | odiv | 02A38 | 10808 |
| ⊙ | odot | 02299 | 8857 |
| ⦼ | odsold | 029 před naším letopočtem | 10684 |
| Π| OElig | 00152 | 338 |
| œ | oelig | 00153 | 339 |
| ⦿ | ofcir | 029BF | 10687 |
| 𝔒 | Ofr | 1D512 | 120082 |
| 𝔬 | ofr | 1D52C | 120108 |
| ˛ | ocas | 002 DB | 731 |
| Ó | Ograve | 000D2 | 210 |
| Ó | rychtář | 000F2 | 242 |
| ⧁ | a T | 029C1 | 10689 |
| ⦵ | ohbar | 029B5 | 10677 |
| Ω | ohm | 003A9 | 937 |
| ∮ | mast | 0222E | 8750 |
| ↺ | olarr | 021BA | 8634 |
| ⦾ | olcir | 029BE | 10686 |
| ⦻ | olcross | 029BB | 10683 |
| ‾ | Olin | 0203E | 8254 |
| ⧀ | olt | 029C0 | 10688 |
| Ō | Omacr | 0014C | 332 |
| ō | omakr | 0014D | 333 |
| Ω | Omega | 003A9 | 937 |
| ω | omega | 003C9 | 969 |
| THE | Omicron | 0039F | 927 |
| The | omikron | 003BF | 959 |
| ⦶ | omid | 029B6 | 10678 |
| ⊖ | nd | 02296 | 8854 |
| 𝕆 | Oopf | 1D546 | 120134 |
| 𝕠 | oopf | 1D560 | 120160 |
| ⦷ | opar | 029B7 | 10679 |
| “ | OpenCurlyDoubleQuote | 0201C | 8220 |
| &Otevřít CurlyQuote; | OpenCurlyQuote | 02018 | 8216 |
| ⦹ | operp | 029B9 | 10681 |
| ⊕ | oplus | 02295 | 8853 |
| &Nebo; | Nebo | 02A54 | 10836 |
| ∨ | nebo | 02228 | 8744 |
| ↻ | orarr | 021BB | 8635 |
| ⩝ | slova | 02A5D | 10845 |
| &objednat; | objednat | 02134 | 8500 |
| &řád; | řád | 02134 | 8500 |
| ª | ordf | 000 AA | 170 |
| º | ordm | 000 BA | 186 |
| ⊶ | origof | 022B6 | 8886 |
| ⩖ | oror | 02A56 | 10838 |
| ⩗ | orslope | 02A57 | 10839 |
| ⩛ | orv | 02A5B | 10843 |
| Ⓢ | vy | 024C8 | 9416 |
| 𝒪 | Oscr | 1D4AA | 119978 |
| ℴ | oscr | 02134 | 8500 |
| Ó | Oslash | 000D8 | 216 |
| Ó | oslash | 000F8 | 248 |
| ⊘ | osel | 02298 | 8856 |
| Ó | Otilde | 000D5 | 213 |
| Ó | otilde | 000F5 | 245 |
| ⨷ | Občas | 02A37 | 10807 |
| ⊗ | občas | 02297 | 8855 |
| ⨶ | otimesas | 02A36 | 10806 |
| Ó | Ouml | 000D6 | 214 |
| Ó | ouml | 000F6 | 246 |
| ⌽ | ovbar | 0233D | 9021 |
| ‾ | OverBar | 0203E | 8254 |
| ⏞ | O Brace | 023DE | 9182 |
| ⎴ | AboutBracet | 023B4 | 9140 |
| &Nad závorkou; | Nadzávorka | 023DC | 9180 |