David Thomas is a very common name, especially in Wales, UK. Famous people of this name include:
- Dafydd Ddu Eryri (1759-1822)
- David Cuthbert Thomas (died 1916)
- David Thomas (industrialist) (1794-1882)
- David Alfred Thomas (1856-1918)
- David Vaughan Thomas (1873-1934)
- David Thomas (composer) (1881-1928)
- David_Thomas_(musician) (20th century)
- Dave Thomas, founder of Wendy's