Johan Sébastien Tatlot (born 26 March 1996 in Schà Âlcher) is a French tennis player. Tatlot has a career-high ATP singles ranking of World No. 226 achieved in 17 September 2018 and an ATP career high doubles ranking of No. 525 achieved on 7 May 2018. Tatlot was the world no.5 junior ranked player in January 2014 and reached the 2014 Australian Open boys' doubles final.
He received a wild card to advance to the doubles main draw in the 2015 French Open with doubles partner Tristan Lamasine, losing in the first round.