Thomas Bannister (1799–1874) was a soldier and explorer in Western Australia. He was born in Steyning, Sussex in 1799, and arrived in Western Australia in 1829, age 30, with the rank of Captain aboard the Atwick with 3 servants from London, England. 
Later the same year he explored the base of the Darling Range and then lead an expedition from Perth to Albany accepting land grants along the way. Bannister discovered Forth River and Frankland River in 1831
- "Passenger Ships arriving in Western Australia". 2001. Retrieved 2009-03-19.
- "Landgate river histories".
- "Explorers Diaries of Western Australia - Updated and Expanded Biographical Notes 1826 - 1835". 2003. Retrieved 2009-03-19.