Daniel Thomas or Dan Thomas may refer to these people:
In law and politics
- Dan Thomas (born c. 1981), British politician
- Daniel Holcombe Thomas (1906–2000), U.S. federal judge
- Daniel M. Thomas (1809–1894), early politician of California, U.S.
- Daniel Lleufer Thomas (1863–1940), Welsh magistrate and reformer
In sport
- Daniel Thomas (athlete) (born 1937), Tanzanian sprinter
- Dan Thomas (footballer) (born 1991), English goalkeeper
- Dan Thomas (infielder), American baseball player (fl.)
- Dan Thomas (outfielder), American baseball player (fl.)
- Dan Thomas (rugby union) (born 1993), Welsh rugby player
- Daniel Thomas (running back) (born 1987), American gridiron football player
- Daniel Thomas (safety) (born 1998), American gridiron football player
Other people
- Daniel Edward Thomas (born 1959), American Catholic prelate
- Daniel Remshart Thomas (1843–1915), American businessman
Fictional characters
- Daniel Thomas (Emmerdale), in British T.V. soap opera Emmerdale