Breaker Morant: A Play in Two Acts is a significant 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. Described at the time as an "interesting, though underwritten biographical study", the first performance of the play was directed and designed by John Sumner, the founding director of the Melbourne Theatre Company.