| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Joaninha | - | Portuguese | ||
| Joann | JON, jo-AN | English | ||
| Joanna | jo-AN-ə (English), yaw-AHN-nah (Polish) | English, Polish, Biblical | ||
| Joanne | jo-AN (English), zho-AN (French) | English, French | ||
| JoaquÍN | hwah-KEEN | Spanish | ||
| Joaquim | - | Portuguese, Catalan | ||
| Joaquina | hwah-KEE-nah | Spanish | ||
| Joasia | yaw-AH-shah | Polish | ||
| Jobeth | JO-beth | English (Rare) | ||
| Joby | JO-bee | English (Rare) | ||
| Jocelin | JAHS-lin, JAHS-ə-lin | English (Rare) | ||
| Jocelyn | JAHS-lin (English), JAHS-ə-lin (English) | English, French | ||
| Jock | JAHK | Scottish | ||
| Jockie | - | Scottish | ||
| Jocky | - | Scottish |