Thomasson
Thomasson may refer to:

People
 Sarah Thomasson (1925–1996), Swedish-Southern Saami alpine skier

Americans
 Benny Thomasson (1909–1984), American fiddler
 Gary Thomasson (born 1951), American former professional baseball player
 Hughie Thomasson (1952–2007), American guitarist and singer
 Joe Thomasson (born 1993), American professional basketball player
 William Thomasson (1797–1882), U.S. Representative from Kentucky

Britons
 Franklin Thomasson (1873–1941), English 20th century MP
 John Pennington Thomasson (1841–1904), English cotton spinner and Liberal Party politician
 Thomas Thomasson (1808–1876), political economist

Other
 Hyperart Thomasson, a type of conceptual art
 Ben Thomasson, a character on the American romantic comedy-drama television series Men in Trees

See also
 Thomas (disambiguation)
 Thomaso
 Thomason (disambiguation)
 Thomassen
 Thomaston (disambiguation)
 Thomson (disambiguation)
 Tómasson
 Tomson