| Nederlands | nld-000 | 
| Japik | |
| brezhoneg | bre-000 | Iagu | 
| brezhoneg | bre-000 | Jagu | 
| brezhoneg | bre-000 | Jakezig | 
| brezhoneg | bre-000 | Jakou | 
| brezhoneg | bre-000 | Jegu | 
| brezhoneg | bre-000 | Kou | 
| brezhoneg | bre-000 | Kouig | 
| čeština | ces-000 | Kuba | 
| čeština | ces-000 | Kubíček | 
| dansk | dan-000 | Jacob | 
| dansk | dan-000 | Jeppe | 
| Deutsch | deu-000 | Jakobchen | 
| Deutsch | deu-000 | Joggi | 
| Deutsch | deu-000 | Jäggi | 
| Deutsch | deu-000 | Koeeb | 
| Deutsch | deu-000 | Köb | 
| Deutsch | deu-000 | Köbes | 
| Deutsch | deu-000 | Schack | 
| English | eng-000 | Jacob | 
| français | fra-000 | Jacot | 
| français | fra-000 | Jacquet | 
| français | fra-000 | Jacquine | 
| français | fra-000 | Jacquot | 
| français | fra-000 | Jakou | 
| Gaeilge | gle-000 | Iamus | 
| Gaeilge | gle-000 | James | 
| Gaeilge | gle-000 | Jamie | 
| Gaeilge | gle-000 | Jem | 
| Gaeilge | gle-000 | Jemser | 
| Gaeilge | gle-000 | Jim | 
| Gaeilge | gle-000 | Jimmy | 
| Gaeilge | gle-000 | Seumus | 
| Gaeilge | gle-000 | Shamus | 
| Gaeilge | gle-000 | Sheamais | 
| Gaeilge | gle-000 | Shemus | 
| Gaeilge | gle-000 | Simi | 
| עברית | heb-000 | קובי | 
| italiano | ita-000 | Giacobbe | 
| italiano | ita-000 | Giacobo | 
| italiano | ita-000 | Giacometto | 
| italiano | ita-000 | Giacomino | 
| italiano | ita-000 | Jacopo | 
| Nederlands | nld-000 | Co | 
| Nederlands | nld-000 | Cobus | 
| Nederlands | nld-000 | Coos | 
| Nederlands | nld-000 | Jaap | 
| Nederlands | nld-000 | Jacob | 
| Nederlands | nld-000 | Japie | 
| Nederlands | nld-000 | Jeep | 
| Nederlands | nld-000 | Jim | 
| Nederlands | nld-000 | Jimmy | 
| Nederlands | nld-000 | Ko | 
| Nederlands | nld-000 | Kobbe | 
| Nederlands | nld-000 | Kobus | 
| Nederlands | nld-000 | Koos | 
| Nederlands | nld-000 | Koosje | 
| Nederlands | nld-000 | Sjimmie | 
| polski | pol-000 | Jakubek | 
| polski | pol-000 | Kuba | 
| polski | pol-000 | Kubuś | 
| português | por-000 | Iago | 
| português | por-000 | Jacó | 
| português | por-000 | Thiago | 
| português | por-000 | Tiago | 
| русский | rus-000 | Джейкоб | 
| русский | rus-000 | Яков | 
| русский | rus-000 | Яковка | 
| русский | rus-000 | Яша | 
| русский | rus-000 | Яшка | 
| español | spa-000 | Diago | 
| español | spa-000 | Diego | 
| español | spa-000 | Iago | 
| español | spa-000 | Joscia | 
| español | spa-000 | Santiago | 
| español | spa-000 | Tiago | 
| español | spa-000 | Yago | 
