Thanaphon U-sinsap (ธนพล อู่สินทรัพย์; born July 4, 2000), nicknamed Leng (เล้ง), is a Thai actor under GMMTV. He is currently attending the Faculty of Economics at Kasetsart University.

He made his acting debut in 2021 with a guest role in the series "The Folly of Human Ambition" (ตะวันตกดิน).