Firstnames:
- Jonathanvu
- Jonathon
- Jondica
- Jonhson
- Jonny
- Jonnyminh
- Jonson
- Jordan
- Jordankhoi
- Jordanvietch
- Jorge
- Jose
- Josefduy
- Josefh
- Joseph
- Josephanh
- Josephanthon
- Josephbinh
- Josephch
- Josephcoung
- Josephdang
- Josephgeorge
- Josephhung
- Josephhuynh
- Josephin
- Josephine
- Josephinephu
- Josephlong
- Josephnguyen
- Josephphuoc
- Josephquoc