Julius Theodoor "Jules" Ancion (August 21, 1924 – November 30, 2011) was a Dutch field hockey player who competed at the 1952 Summer Olympics. He was born in Palembang, Dutch East Indies.

Jules Ancion (1952)
Olympic medal record
Men's field hockey
Representing  Netherlands
Silver medal – second place 1952 Helsinki Team competition

He was a member of the Dutch field hockey team, which won the silver medal. He played all three matches as halfback.

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