| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Johnny | JAHN-ee | English | ||
| Joi | JOI | English (Modern) | ||
| Joisse | JOIS | English (Rare) | ||
| Jojo | JO-jo | English | ||
| Jokin | - | Basque | ||
| Jokum | - | Danish | ||
| Jola | - | Polish | ||
| Jolana | - | Czech, Slovak | ||
| Jolanda | yo-LAHN-dah (Dutch, Italian) | Dutch, Slovene, Croatian, Italian | ||
| Jolanta | yaw-LAHN-tah (Polish) | Polish, Lithuanian | ||
| Joleen | jo-LEEN | English | ||
| Jolene | jo-LEEN | English | ||
| Jolie | JO-lee (English), zho-LEE (French) | English, Various | ||
| Jolyon | - | English (Rare) | ||
| Jon (1) | YOON (Swedish, Norwegian), YON (Danish, Basque) | Swedish, Norwegian, Danish, Basque |