Breaker Morant: A Play in Two Acts is an Australian play written by Kenneth G. Ross, centred on the court-martial and the last days of Lieutenant Harry "Breaker" Morant (1864–1902) of the Bushveldt Carbineers (BVC), that was first performed at the Athenaeum Theatre, in Melbourne, Victoria, Australia, on Thursday, 2 February 1978, by the Melbourne Theatre Company.

Kenneth Graham Ross is an Australian playwright, screenwriter, and lyricist best known for writing the 1978 stage play Breaker Morant, that was based on the life of Australian soldier Harry "Breaker" Morant.