Michael or Mike Thomas may refer to:
Entertainment
Michael M. Thomas (1936–2021), American novelist of financial thrillers
Michael Tilson Thomas (1944–2026), American conductor, composer and pianist
Michael Thomas (actor) (1952–2019), British actor
Mike Thomas (author) (born 1971), British novelist, Pocket Notebook
Michael Thomas (born 1981), Welsh heavy metal drummer of Bullet for My Valentine
Michael Thomas (Man Gone Down author), American author
Michael Damian Thomas, American magazine editor and podcaster
Michael J Thomas, American saxophonist, songwriter, and vocalist
Michael Thomas, former guitarist with the metal band Tuff
Sports
American football
Michael Thomas (defensive back) (born 1989), American football defensive back
Mike Thomas (running back) (1953–2019), American football running back
Mike Thomas (wide receiver, born 1987), American football wide receiver
Michael Thomas (wide receiver, born 1993), American football wide receiver
Mike Thomas (wide receiver, born 1994), American football wide receiver
Association football/soccer
Mickey Thomas (footballer) (born 1954), Welsh footballer, played for Manchester United and Chelsea
Michael Thomas (footballer, born 1967), English footballer, played for Arsenal and Liverpool
Michael Thomas (American soccer) (born 1988), American soccer player
Michael Thomas (footballer, born 1992), English footballer
Other sports
Mike Thomas (baseball) (born 1969), American baseball pitcher
Other
Michael David Thomas (born 1933), former attorney general of Hong Kong
Michael E. Thomas (1937–2018), university administrator and professor of industrial engineering
Mike Thomas (politician) (born 1944), Labour Party member of the UK Parliament who defected to the SDP
Michael C. Thomas (1948–2019), American entomologist
Michael Thomas (academic) (born 1969), English professor and author in digital education
Mike Thomas (athletic director), American university administrator
Mike Seager Thomas, British archaeologist
Michael Albert Thomas, Indian-American physicist, academic, and clinical researcher
Michael Thomas (1858–1929), British zoologist better known as Oldfield Thomas