| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Johnie | JAHN-ee | English | ||
| Johnna | JAHN-ə | English | ||
| Johnnie | JAHN-ee | English | ||
| Johnny | JAHN-ee | English | ||
| Joi | JOI | English (Modern) | ||
| Joisse | JOIS | English (Rare) | ||
| Jojo | JO-jo | English | ||
| Joleen | jo-LEEN | English | ||
| Jolene | jo-LEEN | English | ||
| Jolie | JO-lee (English), zho-LEE (French) | English, Various | ||
| Jolyon | - | English (Rare) | ||
| Jon (2) | JAHN | English | ||
| Jonah | JO-nə (English) | English, Biblical | ||
| Jonathan | JAHN-ə-thən (English), YO-nah-tahn (German) | English, German, Swedish, Norwegian, Danish, Dutch, French, Biblical | ||
| Jonathon | JAHN-ə-thən | English |