Jirat Navasirisomboon (; born 17 November 1996) is a Thai tennis player.
Navasirisomboon has a career high ATP singles ranking of 816 achieved on 31 October 2016. He also has a career high ATP doubles ranking of 1250 achieved on 3 July 2017.
Navasirisomboon represents Thailand in the Davis Cup. He defeated Kuwaiti tennis player Abdullah Maqdes in his first tie.