| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Jo | JO (English) | English, German, Dutch | ||
| JoĈJo | YO-chyo | Esperanto | ||
| JoŠT | - | Slovene | ||
| JoŽE | YAW-zhe | Slovene | ||
| JoŽEf | YAW-zhef | Slovene | ||
| JoŽEfa | YAW-zhe-fah | Slovene | ||
| JoŽIca | - | Slovene, Croatian | ||
| JoÃO | ZHWOWN, zhoo-OWN | Portuguese | ||
| JoÃOzinho | - | Portuguese | ||
| Joachim | zho-a-KEEM (French), YO-ah-khim (German), yo-AH-khim (German), yaw-AH-kheem (Polish), JO-ə-kim (English) | French, German, Polish, Judeo-Christian Legend | ||
| Joakim | YO-ah-kim (Swedish), YO-ah-keem (Finnish) | Swedish, Norwegian, Danish, Finnish, Serbian, Macedonian | ||
| Joan (1) | JON | English | ||
| Joana | - | Portuguese, Catalan | ||
| Joandra | jo-AN-drə | English (Rare) | ||
| Joanie | JO-nee | English |