Thailand competed in the 2008 Summer Olympics, held in Beijing, People's Republic of China, from August 8 to August 24, 2008.

Thailand qualified eight boxers for the Olympic boxing tournament.

Five boxers qualified by placing in the top eight at the 2007 World Championships.

[1] Petchkoom, Manus Boonjumnong, and Chomphuphuang qualified at the first Asian qualifier.

[2] M = Medal race; EL = Eliminated – did not advance into the medal race; CAN = Race cancelled