Kasidit Samrej

Kasidit Samrej (กษิดิศ สำเร็จ; born 26 January 2001) is a Thai tennis player.

Samrej has a career high ATP singles ranking of 622 achieved on 13 January 2020. He also has a career high ATP doubles ranking of 1494 achieved on 2 December 2019.

Samrej represents Thailand at the Davis Cup, where he has a W/L record of 0–1.