| Ron Dekker | |
| Fullname: | Ronald Dekker |
| Nationality: | Dutch |
| Strokes: | Breaststroke, individual medley |
| Birth Date: | 30 June 1966 |
| Birth Place: | Deventer, Overijssel, Netherlands |
Ronald Dekker (also spelled Decker, born 30 June 1966 in Deventer, Overijssel, Netherlands) is a former breaststroke swimmer from Netherlands. He was a specialist on short course, and won the silver medal in 100m at the 1993 FINA Short Course World Championships in Palma de Mallorca.[1] He swam individual 100m and 200m breaststroke and 4 × 100 m medley and freestyle relays at the 1988 Summer Olympics with the best achievement of 7th place in the relay.[2]