| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Hasdrubal | HAZ-droo-bəl (English), haz-DROO-bəl (English) | Ancient Near Eastern (Latinized), History | ||
| Hiawatha | hie-ə-WAHTH-ə (English) | History, Native American, Iroquois | ||
| Hyacintha | - | History | ||
| Innocent | IN-ə-sənt (English) | History | ||
| Ives | - | History | ||
| Josephus | YO-sə-fus (Dutch) | Dutch, History | ||
| Julitta | - | History | ||
| Justinian | - | History | ||
| Juvenal | JOO-və-nahl (English) | History | ||
| Kateri | - | History | ||
| Kreka | - | History | ||
| Ladislas | LAD-i-slaws (English) | History | ||
| Ladislaus | LAD-i-slaws (English) | History | ||
| Leonardo | le-o-NAHR-do (Italian, Spanish), lee-ə-NAHR-do (English) | Italian, Spanish, Portuguese, History | ||
| Livy | LIV-ee (English) | History |