FC Union may refer to:
1. FC Union Berlin, a German association football club 1. FC Union Solingen, a German association football club FC Union Mühlhausen, a German football club FC Union Wels, a former Austrian association football club that merged to form FC Wels FC Union Cheb, the former name of FK Hvězda Cheb
See also Racing FC Union Luxembourg, an association football club Union F.C., a Filipino football club based in Manila