Gary Lough (born 6 July 1970) is a British male former middle-distance runner. He represented his country at the 1995 World Championships in Athletics, finishing the 1500 metres final in ninth place. He won 1500 m bronze medals internationally at the 1993 Summer Universiade and the 1994 European Cup. He also participated at the 1994 IAAF World Cup and the 1996 European Cup.