Cornelius "Cor" Braasem (15 May 1923 – 14 February 2009) was a Dutch water polo player and coach, who captained the Dutch team at the 1948 and 1952 Summer Olympics and trained it for the 1960 Games.

Though beating all their opponents, except for a 4:4 draw against the eventual winner Hungary, the Dutch team took fifth place through a dubious incident: after Yugoslavia lost to the Netherlands 2:3, it challenged the result based on a supposed partisanship of a referee, and won the replay 2:1.

From 1959 to 1962 he was the coach of the Dutch national team, which placed eighth at the 1960 Summer Olympics.

He also was active as a sports commentator, among other at the 1968 Summer Olympics in Mexico.

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