并非下表中的所有实体都能在所有的浏览器中正确地显示。
目前，IE 11 是唯一一个能正确显示所有 HTML5 实体的浏览器。
| 字符 | 实体名称 | 十六进制 |
|---|---|---|
| 'C | Cacute | 00106 |
| 'c | cacute | 00107 |
| Cap | 022D2 | |
| ∩ | cap | 02229 |
| capand | 02A44 | |
| capbrcup | 02A49 | |
| capcap | 02A4B | |
| capcup | 02A47 | |
| capdot | 02A40 | |
| D | CapitalDifferentialD | 02145 |
| ∩ | caps | 02229 0FE00 |
| caret | 02041 | |
| ˇ | caron | 002C7 |
| C | Cayleys | 0212D |
| ccaps | 02A4D | |
| C | Ccaron | 0010C |
| c | ccaron | 0010D |
| C | Ccedil | 000C7 |
| c | ccedil | 000E7 |
| ^C | Ccirc | 00108 |
| ^c | ccirc | 00109 |
| ∮∮∮ | Cconint | 02230 |
| ccups | 02A4C | |
| ccupssm | 02A50 | |
| C | Cdot | 0010A |
| c | cdot | 0010B |
| , | cedil | 000B8 |
| , | Cedilla | 000B8 |
| cemptyv | 029B2 | |
| c | cent | 000A2 |
| · | CenterDot | 000B7 |
| · | centerdot | 000B7 |
| C | Cfr | 0212D |
| ? | cfr | 1D520 |
| Ч | CHcy | 00427 |
| ч | chcy | 00447 |
| check | 02713 | |
| checkmark | 02713 | |
| Χ | Chi | 003A7 |
| χ | chi | 003C7 |
| ○ | cir | 025CB |
| ^ | circ | 002C6 |
| circeq | 02257 | |
| circlearrowleft | 021BA | |
| circlearrowright | 021BB | |
| circledast | 0229B | |
| circledcirc | 0229A | |
| circleddash | 0229D | |
| ⊙ | CircleDot | 02299 |
| (R) | circledR | 000AE |
| (S) | circledS | 024C8 |
| CircleMinus | 02296 | |
| ⊕ | CirclePlus | 02295 |
| CircleTimes | 02297 | |
| cirE | 029C3 | |
| cire | 02257 | |
| cirfnint | 02A10 | |
| cirmid | 02AEF | |
| cirscir | 029C2 | |
| cwconint | 02232 | |
| ClockwiseContourIntegral | 02232 | |
| ” | CloseCurlyDoubleQuote | 0201D |
| ’ | CloseCurlyQuote | 02019 |
| clubs | 02663 | |
| clubsuit | 02663 | |
| ∷ | Colon | 02237 |
| : | colon | 0003A |
| ::= | Colone | 02A74 |
| colone | 02254 | |
| coloneq | 02254 | |
| , | comma | 0002C |
| @ | commat | 00040 |
| comp | 02201 | |
| compfn | 02218 | |
| complement | 02201 | |
| C | complexes | 02102 |
| cong | 02245 | |
| congdot | 02A6D | |
| ≡ | Congruent | 02261 |
| ∮∮ | Conint | 0222F |
| ∮ | conint | 0222E |
| ∮ | ContourIntegral | 0222E |
| C | Copf | 02102 |
| ? | copf | 1D554 |
| coprod | 02210 | |
| Coproduct | 02210 | |
| (c) | copy | 000A9 |
| copysr | 02117 | |
| crarr | 021B5 | |
| Cross | 02A2F | |
| cross | 02717 | |
| ? | Cscr | 1D49E |
| ? | cscr | 1D4B8 |
| csub | 02ACF | |
| csube | 02AD1 | |
| csup | 02AD0 | |
| csupe | 02AD2 | |
| ··· | ctdot | 022EF |
| cudarrl | 02938 | |
| cudarrr | 02935 | |
| cuepr | 022DE | |
| cuesc | 022DF | |
| cularr | 021B6 | |
| cularrp | 0293D | |
| Cup | 022D3 | |
| ∪ | cup | 0222A |
| cupbrcap | 02A48 | |
| CupCap | 0224D | |
| cupcap | 02A46 | |
| cupcup | 02A4A | |
| cupdot | 0228D | |
| cupor | 02A45 | |
| ∪ | cups | 0222A + 0FE00 |
| curarr | 021B7 | |
| curarrm | 0293C | |
| curlyeqprec | 022DE | |
| curlyeqsucc | 022DF | |
| curlyvee | 022CE | |
| curlywedge | 022CF | |
| ¤ | curren | 000A4 |
| curvearrowleft | 021B6 | |
| curvearrowright | 021B7 | |
| cuvee | 022CE | |
| cuwed | 022CF | |
| cwconint | 02232 | |
| cwint | 02231 | |
| cylcty | 0232D |
