Robert Hyatt Clark (January 28, 1913 – May 13, 1976) was an American athlete who competed mainly in the Decathlon.

Olympic medal record
Men's athletics
Representing the  United States
Silver medal – second place 1936 Berlin Decathlon

He competed for a United States in the 1936 Summer Olympics held in Berlin, Germany in the Decathlon where he won the silver medal.

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