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 |
|---|---|---|
| rAarr | 021DB | |
| ∽ | race | 0223D + 00331 |
| 'R | Racute | 00154 |
| 'r | racute | 00155 |
| √ | radic | 0221A |
| raemptyv | 029B3 | |
| Rang | 027EB | |
| rang | 027E9 | |
| rangd | 02992 | |
| range | 029A5 | |
| rangle | 027E9 | |
| >> | raquo | 000BB |
| Rarr | 021A0 | |
| => | rArr | 021D2 |
| → | rarr | 02192 |
| rarrap | 02975 | |
| rarrb | 021E5 | |
| rarrbfs | 02920 | |
| rarrc | 02933 | |
| rarrfs | 0291E | |
| rarrhk | 021AA | |
| rarrlp | 021AC | |
| rarrpl | 02945 | |
| rarrsim | 02974 | |
| Rarrtl | 02916 | |
| rarrtl | 021A3 | |
| rarrw | 0219D | |
| rAtail | 0291C | |
| ratail | 0291A | |
| ∶ | ratio | 02236 |
| Q | rationals | 0211A |
| RBarr | 02910 | |
| rBarr | 0290F | |
| rbarr | 0290D | |
| rbbrk | 02773 | |
| } | rbrace | 0007D |
| ] | rbrack | 0005D |
| rbrke | 0298C | |
| rbrksld | 0298E | |
| rbrkslu | 02990 | |
| R | Rcaron | 00158 |
| r | rcaron | 00159 |
| R | Rcedil | 00156 |
| r | rcedil | 00157 |
| rceil | 02309 | |
| } | rcub | 0007D |
| Р | Rcy | 00420 |
| р | rcy | 00440 |
| rdca | 02937 | |
| rdldhar | 02969 | |
| ” | rdquo | 0201D |
| ” | rdquor | 0201D |
| rdsh | 021B3 | |
| R | Re | 0211C |
| R | real | 0211C |
| R | realine | 0211B |
| R | realpart | 0211C |
| R | reals | 0211D |
| rect | 025AD | |
| (R) | reg | 000AE |
| ReverseElement | 0220B | |
| ReverseEquilibrium | 021CB | |
| ReverseUpEquilibrium | 0296F | |
| rfisht | 0297D | |
| rfloor | 0230B | |
| R | Rfr | 0211C |
| ? | rfr | 1D52F |
| rHar | 02964 | |
| rhard | 021C1 | |
| rharu | 021C0 | |
| rharul | 0296C | |
| Ρ | Rho | 003A1 |
| ρ | rho | 003C1 |
| ρ | rhov | 003F1 |
| RightAngleBracket | 027E9 | |
| → | RightArrow | 02192 |
| => | Rightarrow | 021D2 |
| → | rightarrow | 02192 |
| RightArrowBar | 021E5 | |
| RightArrowLeftArrow | 021C4 | |
| rightarrowtail | 021A3 | |
| RightCeiling | 02309 | |
| RightDoubleBracket | 027E7 | |
| RightDownTeeVector | 0295D | |
| RightDownVector | 021C2 | |
| RightDownVectorBar | 02955 | |
| RightFloor | 0230B | |
| rightharpoondown | 021C1 | |
| rightharpoonup | 021C0 | |
| rightleftarrows | 021C4 | |
| rightleftharpoons | 021CC | |
| rightrightarrows | 021C9 | |
| rightsquigarrow | 0219D | |
| RightTee; | 022A2 | |
| RightTeeArrow | 021A6 | |
| RightTeeVector | 0295B | |
| rightthreetimes | 022CC | |
| RightTriangle | 022B3 | |
| RightTriangleBar | 029D0 | |
| RightTriangleEqual | 022B5 | |
| RightUpDownVector | 0294F | |
| RightUpTeeVector | 0295C | |
| RightUpVector | 021BE | |
| RightUpVectorBar | 02954 | |
| RightVector | 021C0 | |
| RightVectorBar | 02953 | |
| ring | 002DA | |
| risingdotseq | 02253 | |
| rlarr | 021C4 | |
| rlhar | 021CC | |
| rlm | 0200F | |
| rmoust | 023B1 | |
| rmoustache | 023B1 | |
| rnmid | 02AEE | |
| roang | 027ED | |
| roarr | 021FE | |
| robrk | 027E7 | |
| ropar | 02986 | |
| R | Ropf | 0211D |
| ? | ropf | 1D563 |
| roplus | 02A2E | |
| rotimes | 02A35 | |
| RoundImplies | 02970 | |
| ) | rpar | 00029 |
| rpargt | 02994 | |
| rppolint | 02A12 | |
| rrarr | 021C9 | |
| Rrightarrow | 021DB | |
| > | rsaquo | 0203A |
| R | Rscr | 0211B |
| ? | rscr | 1D4C7 |
| Rsh | 021B1 | |
| rsh | 021B1 | |
| ] | rsqb | 0005D |
| ’ | rsquo | 02019 |
| ’ | rsquor | 02019 |
| rthree | 022CC | |
| rtimes | 022CA | |
| rtri | 025B9 | |
| rtrie | 022B5 | |
| rtrif | 025B8 | |
| rtriltri | 029CE | |
| RuleDelayed | 029F4 | |
| ruluhar | 02968 | |
| rx | 0211E |
