Coussa is a surname. Notable people with the surname include:

Gabriel Acacius Coussa (1897–1962), Syrian Melkite Catholic archbishop Nasrallah Coussa (died 1873), mutasarrif of the Mount Lebanon Mutasarrifate Naum Coussa, 5th mutasarrıf of the Mount Lebanon Mutasarrifate Paul Coussa (1917–2012), Iraqi prelate of the Armenian Catholic Church Yusuf Franko Coussa (1855–1933), Ottoman statesman and caricaturist, 7th mutasarrif of Mount Lebanon