| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| James | JAYMZ (English) | English, Biblical | ||
| Jameson | JAY-mi-sən | English | ||
| Jamey | JAY-mee | English | ||
| Jami (1) | JAY-mee | English | ||
| Jamie | JAY-mee | Scottish, English | ||
| Jamison | JAY-mi-sən | English | ||
| Jan (1) | YAHN (Dutch, Swedish, Norwegian, Polish, German) | Dutch, Swedish, Norwegian, Danish, Czech, Polish, Slovene, German, Catalan | ||
| Jan (2) | JAN | English | ||
| Jan (3) | - | Medieval English | ||
| Jana (1) | YAH-nah (Dutch, German) | Czech, Slovak, Dutch, German, Slovene, Catalan | ||
| Janae | - | English (Modern) | ||
| Jancis | JAN-sis | English (Rare) | ||
| Jane | JAYN | English | ||
| Janeka | - | English (Rare) | ||
| Janel | jə-NEL | English |