Jostein Wilmann (born July 15, 1953) is a former Norwegian professional road racing cyclist. His best performance came in the Tour de France of 1980, where he finished 14th overall. This is still the best result any Norwegian cyclist has achieved in the Tour de France general classification. He is also the only Norwegian cyclist to win the Tour de Romandie and the Setmana Catalana de Ciclisme, taking victories in both in 1982. He is the father of racing cyclist Frederik Wilmann.