Frederik Klaas Jan "Erik" Hartsuiker (19 October 1940 - 13 January 2019) was a Dutch rower who competed at the 1964 and 1968 Summer Olympics.

In 1964, he won a bronze medal in the coxed pairs event, together with Herman Rouwé and Jan-Just Bos.

Four years later, he finished ninth in the coxed fours competition.

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