Thomas Drummond Perrin (26 February 1911–1975) was an Australian Rugby Union player who represented for the Wallabies twice.
Perrin was born in Summer Hill and attended Newington College (1924–1927).
He grew up in Mosman and as a second rower joined Northern Suburbs Rugby Club after leaving school and played in their premiership side in 1933.
He toured New Zealand in 1931 with the Wallabies and played in seven of the ten games played and two tests.