Kasidit Samrej is a Thai tennis player.
He has a career high ATP singles ranking of world No. 413 achieved on 25 November 2024. He also has a career high ATP doubles ranking of No. 822 achieved on 12 June 2023. He is currently the No. 1 Thai player.
Samrej represents Thailand at the Davis Cup, where he has a W/L record of 10–8.
