Thomas Leslie Austin (24 September 1923 – 1 June 2002) was an Australian politician.
He was born in Melbourne to Leslie Albert Austin, a farmer, and Nora Bradfute Cunningham.
After attending Geelong Grammar School, he served in the Royal Australian Navy from 1941 to 1945 as a sub-lieutenant.
In 1972 he was elected to the Victorian Legislative Assembly as the Liberal member for Hampden, shifting to Ripon in 1976.
He resigned his seat in 1992 and became Chairman of the Victorian Dairy Industry Authority, a position he held until 2000.