Sir Thomas Watts (1 July 1868 – 3 June 1951) was a Conservative Party politician in the United Kingdom. A medical doctor by profession, Watts studied at the Durham University College of Medicine (B.S., 1889; M.D., 1892). He was Member of Parliament (MP) for Manchester Withington from 1922 to 1923, and from 1924 to 1929. He was knighted in 1928 Birthday Honours, for political and public services.