The 1893 Brisbane flood, occasionally referred to as the Great Flood of 1893 or the Black February flood, occurred in 1893 in Brisbane, Queensland, Australia. The Brisbane River burst its banks on three occasions in February 1893. It was the occurrence of three major floods in the same month that saw the period named "Black February". There was also a fourth flood later in the same year in June. The river runs through the centre of Brisbane with much of the population living in areas beside the river. It first flooded on February 6 due to a deluge associated with a tropical cyclone, called "Buninyong".

Brisbane is the capital of the state of Queensland and the third-most populous city in Australia and Oceania, with a population of approximately 2.6 million. Brisbane lies at the centre of South East Queensland, which includes several other regional centres and cities. The central business district is situated within a peninsula of the Brisbane River about 15 km (9 mi) from its mouth at Moreton Bay. Brisbane is located in the hilly floodplain of the Brisbane River Valley between Moreton Bay and the Taylor and D'Aguilar mountain ranges. It sprawls across several local government areas, most centrally the City of Brisbane. The demonym of Brisbane is Brisbanite.