Thomas Michael Dean (born August 24, 1963) is an American musician, best known as the former bassist and occasional vocalist of heavy metal band Corrosion of Conformity.

Dean sang on Corrosion of Conformity's early recordings from their crossover thrash era before leaving the band in 1987.

guitarist Woody Weatherman and Brian Walsby on drums, released the Snake Nation album via Caroline Records.

[2] Along with several production and engineering credits, Dean also collaborated with Dave Grohl on the Probot song "Access Babylon", a return to the punk/metal fusion of old.

He was also the producer and engineer for Vampire Circus, an album by Maryland-based doom metal band Earthride released in 2005 by Southern Lord Records.