Wouter "Wout" Wagtmans (10 November 1929 – 15 August 1994) was a Dutch road bicycle racer.

Together with Wim van Est he belonged to the generation that brought great popularity to cycling in the Netherlands in the 1950s.

He won four stages: in 1953 in Gap he beat Gino Bartali in the final sprint, and ended fifth in the overall standings.

He received many nicknames, Olijke Woutje, Dik Trom, Zoeloe, de Clown and het Kemphaantje.

He ended his cycling career in 1961, and in 1967 he was the leader of the Dutch Tour de France team, centered on Jan Janssen.