Gary Thomas may refer to:

Gary Thomas (academic) (1938–2008), American academic Gary Thomas (author) (born 1961), American Christian writer Gary Thomas (cricketer, born 1973), English cricketer Gary Thomas (cricketer, born 1958), English cricketer Gary Thomas (musician) (born 1960), American jazz saxophonist Father Gary Thomas, American exorcist and consultant to the film The Rite Gary L. Thomas (game designer), American game designer Gary W. Thomas (1938–2017), American prosecutor and judge wounded in the Marin County courthouse incident Gary L. Thomas (general) (born 1962), U.S. Marine Corps general

See also USS Thomas J. Gary, an Edsall-class destroyer escort Gareth Thomas (disambiguation)