Jean Claessens (18 June 1908 â 19 December 1978) was a Belgian footballer who played as a midfielder.
Claessens played for the invincible Union Saint-Gilloise triple Belgian champions from 1933 to 1935. He was a freekick specialist.
He played 21 matches for Belgium from 1932 to 1936. He played in one game at the 1934 World Cup in Italy.
He finished his career as player-coach at RAEC Mons after the War.
Union SG