Othmane Mustapha Belfaa (Arabic: عثمان بلفاع; born 18 October 1961) is a retired Algerian athlete who competed in the high jump.
His personal best is 2.28m (it was a national record at that time) achieved in Amman in 1983.
He finished 3rd at the 1985 IAAF World Indoor Championships in Athletics in Paris with a jump of 2.27m.
He finished also 6th at the 1992 World Cup in Athletics in Havana.
This biographical article relating to Algerian athletics is a stub.