Ikem G Billy (born 25 January 1964) is a British former middle-distance runner who specialised in the 800 metres. He was the bronze medallist at the 1985 IAAF World Indoor Games and a silver medallist at the 1989 Summer Universiade. He was a two-time national champion, with one win outdoors and one indoors. He represented his country at the IAAF World Indoor Championships on two occasions and England at the 1990 Commonwealth Games.