Jacques Thamin (born 23 May 1952) is a former professional tennis player from France.

Thamin was runner-up in the juniors event at the 1968 Wimbledon Championships, to Australian John Alexander.

He made the quarter-finals of a Grand Prix tournament in Madrid in 1973, withs wins over Steve Faulk, Antonio Muñoz and Wanaro N'Godrella.

He was runner-up at the Stuttgart Open in 1974, before the event was part of the Grand Prix circuit.

His only Grand Prix final was in the doubles at Paris in 1977, which he and partner Christophe Roger-Vasselin won, aided by the controversial spaghetti racquets.