Thomas Williamson
Thomas or Tom Williamson may refer to:
- Thomas Smith Williamson, American physician and missionary
- Thomas Williamson (surgeon), Scottish surgeon and medical officer of health
- Thomas Andrew Williamson, American serial killer
- Thomas Roney Williamson, American architect
- Thomas Williamson (Australian politician), New South Wales politician
- Tom Williamson (golfer), English professional golfer
- Thomas Wilson Williamson, American architect
- Tom Williamson, Baron Williamson, British trade union leader and Member of Parliament
- Tom Williamson (Scottish footballer), Scottish footballer
- Tommy Williamson (footballer, born 1913),, English footballer, see List of Oldham Athletic A.F.C. players
- Tom Williamson (English footballer), English footballer
- Tom Williamson (actor), American actor
- Tom Williamson (Australian footballer), Australian footballer
- Thomas Williamson (soccer), American soccer player