Jur Haak
Jur Haak ( – ) was a Dutch male footballer. He was part of the Netherlands national football team, playing 2 matches and scoring 2 goals. He played his first match on 17 November 1912.

Haak moved with his family from Java to Haarlem in 1904. Like his brothers Jan Haak and Albert Haak he played football for HFC Haarlem. He was also an athlete, and in September 1916 he broke the Dutch record high jump by 10 cm (from 1,69 m to 1,79 m). After his football career he taught mathematics and physics at the Amsterdams Lyceum and was a co-founder of the Montessori Lyceum Amsterdam. During World War II he was a member of the resistance. He and his wife Jet van Eek were arrested. Via the Herzogenbusch concentration camp he was deported to the Sachsenhausen concentration camp, where he was killed in January 1945.