Johannes Jacobus "Koos" Köhler (25 November 1905 – 6 February 1965) was a Dutch water polo player. He competed at the 1928 Summer Olympics, where the Dutch team shared fifth place. Köhler played all three matches, together with his cousin Sjaak, and scored seven goals.[1]

Koos Köhler
Personal information
Born(1905-11-25)November 25, 1905
Amsterdam, Netherlands
DiedFebruary 6, 1965(1965-02-06) (aged 59)
Sloten, Netherlands
Sport
SportWater polo

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