Thomas Waddell (1854–1940) was an Australian politician.
Thomas or Tom Waddell may also refer to:
Thomas Waddell (Saskatchewan politician) (1886–1948), politician in Saskatchewan, Canada Tom Waddell (1937–1987), American physician, athlete and founder of the Gay Games Tom Waddell (baseball) (1958–2019), Scottish-born American professional baseball player Tom Waddell (footballer) (1870–1956), Scottish footballer
See also Tom Waddle (born 1967), American football player