| 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 (2) | | joo-AHN (Catalan), zhoo-AHN (Catalan) | Catalan, Occitan | |
| Joana | | - | Portuguese, Catalan | |
| Joannes | | - | Late Roman | |
| JoaquÍN | | hwah-KEEN | Spanish | |
| Joaquim | | - | Portuguese, Catalan | |
| Joaquima | | - | Catalan | |
| Joaquina | | hwah-KEE-nah | Spanish | |
| Jochen | | YO-khen | German | |
| Jochim | | YO-khim | German | |
| Jockel | | - | German | |
| Jodocus | | yo-DO-kəs (Dutch) | Dutch (Archaic), Ancient Celtic (Latinized) | |
| Joel | | JOL (English), JO-əl (English), ho-EL (Spanish), zhoo-EL (Portuguese), YO-el (Swedish, Finnish) | English, Spanish, Portuguese, Swedish, Finnish, Biblical | |
| Johan | | YOO-ahn (Swedish) | Swedish, Norwegian, Danish, Dutch | |