Thomas Williamson
Thomas Williamson or Tom Williamson may refer to:
- Tom Williamson, Baron Williamson (1897–1983), British trade union leader and Member of Parliament
- Thomas Williamson (mayor), Mayor of Halifax, Nova Scotia 1842–1843
- Tom Williamson (footballer), English footballer, currently playing for Basingstoke Town
- Tom Williamson (Scottish footballer) (1901–1988), Scottish footballer, who played for Blackburn Rovers, Norwich City and Stoke City
- Thomas Williamson (Canadian politician), teacher, township councillor, deputy reeve and reeve of the Township of Markham, Ontario