Constant Joacim (3 March 1908 in Berchem, Belgium – 12 June 1979[1]) was a Belgian footballer.

He was a defender for Royal Berchem Sport, when he was picked for the Belgium team on 16 May 1931 (Belgium-England, 1-4).

This famous team, composed of Flemish players, was nicknamed the "Flaminpic".

During the war, Constant Joacim played for Royal Tilleur FC and then KVV Overpelt Fabriek.

This biographical article related to association football in Belgium, about a defender, is a stub.