HTML4 で使える文字実体参照の一覧です。これは、HTML4.0仕様書中の "Character entity references in HTML 4.0" を私が勝手にまとめたものです。利用上の注意も参照してください。
以下は、HTML2.0 がサポートしている文字参照です。どのブラウザでもきちんと表示できるはずです。バグさえなければ。
| 数値文字参照 | 文字実体参照 | 備考 | ||
|---|---|---|---|---|
| コード | 文字 | 実体名 | 文字 | |
| " | " | " | " | quotation mark = APL quote | 
| & | & | & | & | ampersand | 
| < | < | < | < | less-than sign | 
| > | > | > | > | greater-than sign | 
| 数値文字参照 | 文字実体参照 | 備考 | ||
|---|---|---|---|---|
| コード | 文字 | 実体名 | 文字 | |
|   |   | no-break space = non-breaking space | ||
| ¡ | ¡ | ¡ | ¡ | inverted exclamation mark | 
| ¢ | ¢ | ¢ | ¢ | cent sign | 
| £ | £ | £ | £ | pound sign | 
| ¤ | ¤ | ¤ | ¤ | currency sign | 
| ¥ | ¥ | ¥ | ¥ | yen sign = yuan sign | 
| ¦ | ¦ | ¦ | ¦ | broken bar = broken vertical bar | 
| § | § | § | § | section sign | 
| ¨ | ¨ | ¨ | ¨ | diaeresis = spacing diaeresis | 
| © | © | © | © | copyright sign | 
| ª | ª | ª | ª | feminine ordinal indicator | 
| « | « | « | « | left-pointing double angle quotation mark = left pointing guillemet | 
| ¬ | ¬ | ¬ | ¬ | not sign | 
| ­ |  | ­ |  | soft hyphen = discretionary hyphen | 
| ® | ® | ® | ® | registered sign = registered trade mark sign | 
| ¯ | ¯ | ¯ | ¯ | macron = spacing macron = overline = APL overbar | 
| ° | ° | ° | ° | degree sign | 
| ± | ± | ± | ± | plus-minus sign = plus-or-minus sign | 
| ² | ² | ² | ² | superscript two = superscript digit two = squared | 
| ³ | ³ | ³ | ³ | superscript three = superscript digit three = cubed | 
| ´ | ´ | ´ | ´ | acute accent = spacing acute | 
| µ | µ | µ | µ | micro sign | 
| ¶ | ¶ | ¶ | ¶ | pilcrow sign = paragraph sign | 
| · | · | · | · | middle dot = Georgian comma = Greek middle dot | 
| ¸ | ¸ | ¸ | ¸ | cedilla = spacing cedilla | 
| ¹ | ¹ | ¹ | ¹ | superscript one = superscript digit one | 
| º | º | º | º | masculine ordinal indicator | 
| » | » | » | » | right-pointing double angle quotation mark = right pointing guillemet | 
| ¼ | ¼ | ¼ | ¼ | vulgar fraction one quarter = fraction one quarter | 
| ½ | ½ | ½ | ½ | vulgar fraction one half = fraction one half | 
| ¾ | ¾ | ¾ | ¾ | vulgar fraction three quarters = fraction three quarters | 
| ¿ | ¿ | ¿ | ¿ | inverted question mark = turned question mark | 
| À | À | À | À | latin capital letter A with grave = latin capital letter A grave | 
| Á | Á | Á | Á | latin capital letter A with acute | 
| Â | Â | Â | Â | latin capital letter A with circumflex | 
| Ã | Ã | Ã | Ã | latin capital letter A with tilde | 
| Ä | Ä | Ä | Ä | latin capital letter A with diaeresis | 
| Å | Å | Å | Å | latin capital letter A with ring above = latin capital letter A ring | 
| Æ | Æ | Æ | Æ | latin capital letter AE = latin capital ligature AE | 
| Ç | Ç | Ç | Ç | latin capital letter C with cedilla | 
| È | È | È | È | latin capital letter E with grave | 
| É | É | É | É | latin capital letter E with acute | 
| Ê | Ê | Ê | Ê | latin capital letter E with circumflex | 
| Ë | Ë | Ë | Ë | latin capital letter E with diaeresis | 
| Ì | Ì | Ì | Ì | latin capital letter I with grave | 
| Í | Í | Í | Í | latin capital letter I with acute | 
| Î | Î | Î | Î | latin capital letter I with circumflex | 
| Ï | Ï | Ï | Ï | latin capital letter I with diaeresis | 
| Ð | Ð | Ð | Ð | latin capital letter ETH | 
| Ñ | Ñ | Ñ | Ñ | latin capital letter N with tilde | 
| Ò | Ò | Ò | Ò | latin capital letter O with grave | 
| Ó | Ó | Ó | Ó | latin capital letter O with acute | 
| Ô | Ô | Ô | Ô | latin capital letter O with circumflex | 
| Õ | Õ | Õ | Õ | latin capital letter O with tilde | 
| Ö | Ö | Ö | Ö | latin capital letter O with diaeresis | 
| × | × | × | × | multiplication sign | 
| Ø | Ø | Ø | Ø | latin capital letter O with stroke = latin capital letter O slash | 
| Ù | Ù | Ù | Ù | latin capital letter U with grave | 
| Ú | Ú | Ú | Ú | latin capital letter U with acute | 
| Û | Û | Û | Û | latin capital letter U with circumflex | 
| Ü | Ü | Ü | Ü | latin capital letter U with diaeresis | 
| Ý | Ý | Ý | Ý | latin capital letter Y with acute | 
| Þ | Þ | Þ | Þ | latin capital letter THORN | 
| ß | ß | ß | ß | latin small letter sharp s = ess-zed | 
| à | à | à | à | latin small letter a with grave = latin small letter a grave | 
| á | á | á | á | latin small letter a with acute | 
| â | â | â | â | latin small letter a with circumflex | 
| ã | ã | ã | ã | latin small letter a with tilde | 
| ä | ä | ä | ä | latin small letter a with diaeresis | 
| å | å | å | å | latin small letter a with ring above = latin small letter a ring | 
| æ | æ | æ | æ | latin small letter ae = latin small ligature ae | 
| ç | ç | ç | ç | latin small letter c with cedilla | 
| è | è | è | è | latin small letter e with grave | 
| é | é | é | é | latin small letter e with acute | 
| ê | ê | ê | ê | latin small letter e with circumflex | 
| ë | ë | ë | ë | latin small letter e with diaeresis | 
| ì | ì | ì | ì | latin small letter i with grave | 
| í | í | í | í | latin small letter i with acute | 
| î | î | î | î | latin small letter i with circumflex | 
| ï | ï | ï | ï | latin small letter i with diaeresis | 
| ð | ð | ð | ð | latin small letter eth | 
| ñ | ñ | ñ | ñ | latin small letter n with tilde | 
| ò | ò | ò | ò | latin small letter o with grave | 
| ó | ó | ó | ó | latin small letter o with acute | 
| ô | ô | ô | ô | latin small letter o with circumflex | 
| õ | õ | õ | õ | latin small letter o with tilde | 
| ö | ö | ö | ö | latin small letter o with diaeresis | 
| ÷ | ÷ | ÷ | ÷ | division sign | 
| ø | ø | ø | ø | latin small letter o with stroke, = latin small letter o slash | 
| ù | ù | ù | ù | latin small letter u with grave | 
| ú | ú | ú | ú | latin small letter u with acute | 
| û | û | û | û | latin small letter u with circumflex | 
| ü | ü | ü | ü | latin small letter u with diaeresis | 
| ý | ý | ý | ý | latin small letter y with acute | 
| þ | þ | þ | þ | latin small letter thorn | 
| ÿ | ÿ | ÿ | ÿ | latin small letter y with diaeresis | 
以下は HTML の国際化に伴って拡張された文字です。HTML2.x や HTML4 に対応していないブラウザでは表示できない可能性があります。
| 数値文字参照 | 文字実体参照 | 備考 | ||
|---|---|---|---|---|
| コード | 文字 | 実体名 | 文字 | |
| Œ | Œ | Œ | Œ | latin capital ligature OE | 
| œ | œ | œ | œ | latin small ligature oe | 
| Š | Š | Š | Š | latin capital letter S with caron | 
| š | š | š | š | latin small letter s with caron | 
| Ÿ | Ÿ | Ÿ | Ÿ | llatin capital letter Y with diaeresis | 
| ˆ | ˆ | ˆ | ˆ | modifier letter circumflex accent | 
| ˜ | ˜ | ˜ | ˜ | small tilde | 
| ƒ | ƒ | ƒ | ƒ | latin small f with hook = function = florin, U+0192 ISOtech | 
| 数値文字参照 | 文字実体参照 | 備考 | ||
|---|---|---|---|---|
| コード | 文字 | 実体名 | 文字 | |
| Α | Α | Α | Α | greek capital letter alpha | 
| Β | Β | Β | Β | greek capital letter beta | 
| Γ | Γ | Γ | Γ | greek capital letter gamma | 
| Δ | Δ | Δ | Δ | greek capital letter Delta | 
| Ε | Ε | Ε | Ε | greek capital letter epsilon | 
| Ζ | Ζ | Ζ | Ζ | greek capital letter zeta | 
| Η | Η | Η | Η | greek capital letter eta | 
| Θ | Θ | Θ | Θ | greek capital letter theta | 
| Ι | Ι | Ι | Ι | greek capital letter iota | 
| Κ | Κ | Κ | Κ | greek capital letter kappa | 
| Λ | Λ | Λ | Λ | greek capital letter lambda | 
| Μ | Μ | Μ | Μ | greek capital letter mu | 
| Ν | Ν | Ν | Ν | greek capital letter nu | 
| Ξ | Ξ | Ξ | Ξ | greek capital letter xi | 
| Ο | Ο | Ο | Ο | greek capital letter omicron | 
| Π | Π | Π | Π | greek capital letter pi | 
| Ρ | Ρ | Ρ | Ρ | greek capital letter rho | 
| Σ | Σ | Σ | Σ | greek capital letter sigma | 
| Τ | Τ | Τ | Τ | greek capital letter kappa | 
| Υ | Υ | Υ | Υ | greek capital letter upsilon | 
| Φ | Φ | Φ | Φ | greek capital letter phi | 
| Χ | Χ | Χ | Χ | greek capital letter chi | 
| Ψ | Ψ | Ψ | Ψ | greek capital letter psi | 
| Ω | Ω | Ω | Ω | greek capital letter omega | 
| α | α | α | α | greek small letter alpha | 
| β | β | β | β | greek small letter beta | 
| γ | γ | γ | γ | greek small letter gamma | 
| δ | δ | δ | δ | greek small letter Delta | 
| ε | ε | ε | ε | greek small letter epsilon | 
| ζ | ζ | ζ | ζ | greek small letter zeta | 
| η | η | η | η | greek small letter eta | 
| θ | θ | θ | θ | greek small letter theta | 
| ι | ι | ι | ι | greek small letter iota | 
| κ | κ | κ | κ | greek small letter kappa | 
| λ | λ | λ | λ | greek small letter lambda | 
| μ | μ | μ | μ | greek small letter mu | 
| ν | ν | ν | ν | greek small letter nu | 
| ξ | ξ | ξ | ξ | greek small letter xi | 
| ο | ο | ο | ο | greek small letter omicron | 
| π | π | π | π | greek small letter pi | 
| ρ | ρ | ρ | ρ | greek small letter rho | 
| ς | ς | ς | ς | greek small letter final sigma | 
| σ | σ | σ | σ | greek small letter sigma | 
| τ | τ | τ | τ | greek small letter kappa | 
| υ | υ | υ | υ | greek small letter upsilon | 
| φ | φ | φ | φ | greek small letter phi | 
| χ | χ | χ | χ | greek small letter chi | 
| ψ | ψ | ψ | ψ | greek small letter psi | 
| ω | ω | ω | ω | greek small letter omega | 
| ϑ | ϑ | ϑ | ϑ | greek small letter theta symbol | 
| ϒ | ϒ | ϒ | ϒ | greek upsilon with hook symbol | 
| ϖ | ϖ | ϖ | ϖ | greek pi symbol | 
| 数値文字参照 | 文字実体参照 | 備考 | ||
|---|---|---|---|---|
| コード | 文字 | 実体名 | 文字 | |
|   |   | en space | ||
|   |   | em space | ||
|   |   | thin space | ||
| ‌ |  | ‌ |  | zero width non-joiner | 
| ‍ |  | ‍ |  | zero width joiner | 
| ‎ |  | ‎ |  | left-to-right mark | 
| ‏ |  | ‏ |  | right-to-left mark | 
| – | – | – | – | en dash | 
| — | — | — | — | em dash | 
| ‘ | ‘ | ‘ | ‘ | left single quotation mark | 
| ’ | ’ | ’ | ’ | right single quotation mark | 
| ‚ | ‚ | ‚ | ‚ | single low-9 quotation mark | 
| “ | “ | “ | “ | left double quotation mark | 
| ” | ” | ” | ” | right double quotation mark | 
| „ | „ | „ | „ | double low-9 quotation mark | 
| † | † | † | † | dagger | 
| ‡ | ‡ | ‡ | ‡ | double dagger | 
| • | • | • | • | bullet = black small circle | 
| … | … | … | … | horizontal ellipsis = three dot leader | 
| ‰ | ‰ | ‰ | ‰ | per mille sign | 
| ′ | ′ | ′ | ′ | prime = minutes = feet | 
| ″ | ″ | ″ | ″ | double prime = seconds = inches | 
| ‹ | ‹ | ‹ | ‹ | single left-pointing angle quotation mark | 
| › | › | › | › | single right-pointing angle quotation mark | 
| ‾ | ‾ | ‾ | ‾ | overline = spacing overscore | 
| ⁄ | ⁄ | ⁄ | ⁄ | fraction slash | 
| € | € | € | € | euro sign | 
| ℑ | ℑ | ℑ | ℑ | blackletter capital I = imaginary part | 
| ℘ | ℘ | &ewierp; | ℘ | script capital P = power set = Weierstrass p | 
| ℜ | ℜ | ℜ | ℜ | blackletter capital R = real part symbol | 
| ™ | ™ | ™ | ™ | trade mark sign | 
| ℵ | ℵ | ℵ | ℵ | alef symbol = first transfinite cardinal | 
| ← | ← | ← | ← | leftwards arrow | 
| ↑ | ↑ | ↑ | ↑ | uowards arrow | 
| → | → | → | → | rightwards arrow | 
| ↓ | ↓ | ↓ | ↓ | downwards arrow | 
| ↔ | ↔ | ↔ | ↔ | left right arrow | 
| ↵ | ↵ | ↵ | ↵ | downwards arrow with corner leftwards = carriage return | 
| ⇐ | ⇐ | ⇐ | ⇐ | leftwards double arrow | 
| ⇑ | ⇑ | ⇑ | ⇑ | upwards double arrow | 
| ⇒ | ⇒ | ⇒ | ⇒ | rightwards double arrow | 
| ⇓ | ⇓ | ⇓ | ⇓ | downwards double arrow | 
| ⇔ | ⇔ | ⇔ | ⇔ | left right double arrow | 
| 数値文字参照 | 文字実体参照 | 備考 | ||
|---|---|---|---|---|
| コード | 文字 | 実体名 | 文字 | |
| ∀ | ∀ | ∀ | ∀ | for all | 
| ∂ | ∂ | ∂ | ∂ | partial differential | 
| ∃ | ∃ | ∃ | ∃ | there exists | 
| ∅ | ∅ | ∅ | ∅ | empty set = null set = diameter | 
| ∇ | ∇ | ∇ | ∇ | nabla = backward difference | 
| ∈ | ∈ | ∈ | ∈ | element of | 
| ∉ | ∉ | ∉ | ∉ | not an element of | 
| ∋ | ∋ | ∋ | ∋ | contains as member | 
| ∏ | ∏ | ∏ | ∏ | n-ary product = product sign | 
| ∑ | ∑ | ∑ | ∑ | n-ary sumation | 
| − | − | − | − | minus sign | 
| ∗ | ∗ | ∗ | ∗ | asterisk operator | 
| √ | √ | √ | √ | square root = radical sign | 
| ∝ | ∝ | ∝ | ∝ | proportional to | 
| ∞ | ∞ | ∞ | ∞ | infinity | 
| ∠ | ∠ | ∠ | ∠ | angle | 
| ∧ | ∧ | ∧ | ∧ | logical and = wedge | 
| ∨ | ∨ | ∨ | ∨ | logical or = vee | 
| ∩ | ∩ | ∩ | ∩ | intersection = cap | 
| ∪ | ∪ | ∪ | ∪ | union = cup | 
| ∫ | ∫ | ∫ | ∫ | integral | 
| ∴ | ∴ | ∴ | ∴ | therefore | 
| ∼ | ∼ | ∼ | ∼ | tilde operator = varies with = similar to | 
| ≅ | ≅ | ≅ | ≅ | approximately equal to | 
| ≈ | ≈ | ≈ | ≈ | almost equal to = asymptotic to | 
| ≠ | ≠ | ≠ | ≠ | not equal to | 
| ≡ | ≡ | ≡ | ≡ | identical to | 
| ≤ | ≤ | ≤ | ≤ | less-than or equal to | 
| ≥ | ≥ | ≥ | ≥ | greater-than or equal to | 
| ⊂ | ⊂ | ⊂ | ⊂ | subset of | 
| ⊃ | ⊃ | ⊃ | ⊃ | superset of | 
| ⊄ | ⊄ | ⊄ | ⊄ | not a subset of | 
| ⊆ | ⊆ | ⊆ | ⊆ | subset of or equal to | 
| ⊇ | ⊇ | ⊇ | ⊇ | superset of or equal to | 
| ⊕ | ⊕ | ⊕ | ⊕ | circled plus = direct sum | 
| ⊗ | ⊗ | ⊗ | ⊗ | circled times = vector product | 
| ⊥ | ⊥ | ⊥ | ⊥ | up tack = orthogonal to = perpendicular | 
| ⋅ | ⋅ | ⋅ | ⋅ | dot operator | 
| 数値文字参照 | 文字実体参照 | 備考 | ||
|---|---|---|---|---|
| コード | 文字 | 実体名 | 文字 | |
| ⌈ | ⌈ | ⌈ | ⌈ | left ceiling = apl upstile | 
| ⌉ | ⌉ | ⌉ | ⌉ | right ceiling | 
| ⌊ | ⌊ | ⌊ | ⌊ | left floor = apl downstile | 
| ⌋ | ⌋ | ⌋ | ⌋ | right floor | 
| 〈 | 〈 | ⟨ | 〈 | left-pointing angle bracket = bra | 
| 〉 | 〉 | ⟩ | 〉 | right-pointing angle bracket = ket | 
| ◊ | ◊ | ◊ | ◊ | lozenge | 
| ♠ | ♠ | ♠ | ♠ | black spade suit | 
| ♣ | ♣ | ♣ | ♣ | black club suit = shamrock | 
| ♥ | ♥ | ♥ | ♥ | black heart suit = valentine | 
| ♦ | ♦ | ♦ | ♦ | black diamond suit | 
以下の部分はおまけです。実体は定義されていないので実体参照で記すことは出来ないのですが、数値文字参照で記すことは出来ます。
| 数値文字参照 | 備考 | |
|---|---|---|
| コード | 文字 | |
| 。 | 。 | halfwidth ideographic full stop | 
| 「 | 「 | halfwidth left corner bracket | 
| 」 | 」 | halfwidth right corner bracket | 
| 、 | 、 | halfwidth ideographic comma | 
| ・ | ・ | halfwidth katakana middle dot | 
| ヲ | ヲ | halfwidth katakana letter wo | 
| ァ | ァ | halfwidth katakana letter small a | 
| ィ | ィ | halfwidth katakana letter small i | 
| ゥ | ゥ | halfwidth katakana letter small u | 
| ェ | ェ | halfwidth katakana letter small e | 
| ォ | ォ | halfwidth katakana letter small o | 
| ャ | ャ | halfwidth katakana letter small ya | 
| ュ | ュ | halfwidth katakana letter small yu | 
| ョ | ョ | halfwidth katakana letter small yo | 
| ッ | ッ | halfwidth katakana letter small tu | 
| ー | ー | halfwidth katakana-hiragana prolonged sound mark | 
| ア | ア | halfwidth katakana letter a | 
| イ | イ | halfwidth katakana letter i | 
| ウ | ウ | halfwidth katakana letter u | 
| エ | エ | halfwidth katakana letter e | 
| オ | オ | halfwidth katakana letter o | 
| カ | カ | halfwidth katakana letter ka | 
| キ | キ | halfwidth katakana letter ki | 
| ク | ク | halfwidth katakana letter ku | 
| ケ | ケ | halfwidth katakana letter ke | 
| コ | コ | halfwidth katakana letter ko | 
| サ | サ | halfwidth katakana letter sa | 
| シ | シ | halfwidth katakana letter si | 
| ス | ス | halfwidth katakana letter su | 
| セ | セ | halfwidth katakana letter se | 
| ソ | ソ | halfwidth katakana letter so | 
| タ | タ | halfwidth katakana letter ta | 
| チ | チ | halfwidth katakana letter ti | 
| ツ | ツ | halfwidth katakana letter tu | 
| テ | テ | halfwidth katakana letter te | 
| ト | ト | halfwidth katakana letter to | 
| ナ | ナ | halfwidth katakana letter na | 
| ニ | ニ | halfwidth katakana letter ni | 
| ヌ | ヌ | halfwidth katakana letter nu | 
| ネ | ネ | halfwidth katakana letter ne | 
| ノ | ノ | halfwidth katakana letter no | 
| ハ | ハ | halfwidth katakana letter ha | 
| ヒ | ヒ | halfwidth katakana letter hi | 
| フ | フ | halfwidth katakana letter hu | 
| ヘ | ヘ | halfwidth katakana letter he | 
| ホ | ホ | halfwidth katakana letter ho | 
| マ | マ | halfwidth katakana letter ma | 
| ミ | ミ | halfwidth katakana letter mi | 
| ム | ム | halfwidth katakana letter mu | 
| メ | メ | halfwidth katakana letter me | 
| モ | モ | halfwidth katakana letter mo | 
| ヤ | ヤ | halfwidth katakana letter ya | 
| ユ | ユ | halfwidth katakana letter yu | 
| ヨ | ヨ | halfwidth katakana letter yo | 
| ラ | ラ | halfwidth katakana letter ra | 
| リ | リ | halfwidth katakana letter ri | 
| ル | ル | halfwidth katakana letter ru | 
| レ | レ | halfwidth katakana letter re | 
| ロ | ロ | halfwidth katakana letter ro | 
| ワ | ワ | halfwidth katakana letter wa | 
| ン | ン | halfwidth katakana letter n | 
| ゙ | ゙ | halfwidth katakana voiced sound mark | 
| ゚ | ゚ | halfwidth katakana semi-voiced sound mark |