Thomason is a patronymic surname meaning "son of Thomas", or a misspelling of the French surname Thomasson, Thomesson "little Thomas". Notable people with the surname include:
Art Thomason (1889–1944), American baseball player Bob Thomason (born 1949), basketball coach Bobby Thomason (1928–2013), American football player Clyde A. Thomason (1914–1942), American Marine and Medal of Honor awardee Dustin Thomason, American writer George Thomason (book collector) (died 1666), English book collector George Thomason (footballer) (born 2001), English footballer Harry Thomason (born 1940), American film and television producer James Thomason (1804–1853), British Lieutenant-Governor of the North-Western Provinces in India Jasin Thomason (born 1976), American guitarist, The Ataris Jeff Thomason (born 1969), American football player Jim Thomason (1920–2007), American football player John Thomason (1893–1944), American Marine and author Larry Thomason (1948–2003), American politician Mackenzie Thomason, Canadian politician Marsha Thomason (born 1976), English actress R. Ewing Thomason (1879–1973), American politician from Texas Robert Wayne Thomason (1952–1995), American mathematician Roy Thomason (1944–2024), British politician Sarah Thomason, American linguist Theresa Thomason, American gospel singer Trent Thomason (born 1972), Christian keyboardist and songwriter Yeoville Thomason (1826–1901), British architect active in Birmingham Linda Bloodworth-Thomason (born 1947), American writer and television producer
See also Thomasson (surname) Thomson (surname) Thompson (surname) MacTavish (surname) McTavish, a related given name Tavish, a related given name Clan MacTavish, Ancient Scottish Highlands Clan