John Reeberg (born 19 October 1947) is a retired Dutch-Surinamese karateka.
He was a European champion in heavyweight categories in 1978 and 1979 and won a bronze medal at the 1982 World Championships.
Earlier in 1977 he became a world champion in the team competition, together with Otti Roethof and Ludwig Kotzebue.Reeberg is married to Carmelita Reeberg-Muyden, they have a son, John-Roger.
Since 1994 they run a security company named Reeberg Beveiliging BV.