| ⓗ | Circled Latin Small Letter H Symbol |
| ⒣ | Parenthesized Latin Small Letter H Symbol |
| ℎ | Planck Constant Symbol |
| ℏ | Planck Constant Over Two Pi Symbol |
| ℌ | Black Letter Capital H Symbol |
| ḣ | Latin Small Letter H With Dot Above Symbol |
| ḥ | Latin Small Letter H With Dot Below Symbol |
| ḧ | Latin Small Letter H With Diaeresis Symbol |
| ḩ | Latin Small Letter H With Cedilla Symbol |
| ḫ | Latin Small Letter H With Breve Below Symbol |
| ẖ | Latin Small Letter H With Line Below Symbol |
| h | Latin Small Letter H Symbol |
| ℋ | Script Capital H Symbol |
| ℍ | Double Struck Capital H Symbol |
| Ḣ | Latin Capital Letter H With Dot Above Symbol |
| Ḥ | Latin Capital Letter H With Dot Below Symbol |
| Ḧ | Latin Capital Letter H With Diaeresis Symbol |
| Ḩ | Latin Capital Letter H With Cedilla Symbol |
| Ḫ | Latin Capital Letter H With Breve Below Symbol |
| Ἠ | Greek Capital Letter Eta With Psili Symbol |
| Ħ | Latin Capital Letter H With Stroke Symbol |
| Ἡ | Greek Capital Letter Eta With Dasia Symbol |
| Ἢ | Greek Capital Letter Eta With Psili And Varia Symbol |
| Ἣ | Greek Capital Letter Eta With Dasia And Varia Symbol |
| Ἤ | Greek Capital Letter Eta With Psili And Oxia Symbol |
| Ἥ | Greek Capital Letter Eta With Dasia And Oxia Symbol |
| Ἦ | Greek Capital Letter Eta With Psili And Perispomeni Symbol |
| Ἧ | Greek Capital Letter Eta With Dasia And Perispomeni Symbol |
| ᾘ | Greek Capital Letter Eta With Psili And Prosgegrammeni Symbol |
| ᾙ | Greek Capital Letter Eta With Dasia And Prosgegrammeni Symbol |
| ᾚ | Greek Capital Letter Eta With Psili And Varia And Prosgegrammeni Symbol |
| ᾛ | Greek Capital Letter Eta With Dasia And Varia And Prosgegrammeni Symbol |
| ᾜ | Greek Capital Letter Eta With Psili And Oxia And Prosgegrammeni Symbol |
| ᾝ | Greek Capital Letter Eta With Dasia And Oxia And Prosgegrammeni Symbol |
| ᾞ | Greek Capital Letter Eta with Psili and Perispomeni and Prosgegrammeni Symbol |
| ᾟ | Greek Capital Letter Eta with Dasia and Perispomeni and Prosgegrammeni Symbol |
| Ὴ | Greek Capital Letter Eta With Varia Symbol |
| Ή | Greek Capital Letter Eta With Oxia Symbol |
| ῌ | Greek Capital Letter Eta With Prosgegrammeni Symbol |
| H | Latin Capital Letter H Symbol |
