Trần Mạnh Quỳnh (born 18 January 2001) is a Vietnamese professional footballer who plays as a winger for V.League 1 club Sông Lam Nghệ An.

On 12 April 2021, he made his professional debut and delivered an assist for Phan Văn Đức in his team's 2–0 victory against Becamex Bình Dương.

[2] On 15 July 2023, he scored his first goal in V.League 1, in a 2–0 win against Hồ Chí Minh City.

[6] Mạnh Quỳnh is known for his ability to dribble the ball cleverly with his twists and turns which gives difficulties to his opponents to defend against him.

Mạnh Quỳnh cited Nguyễn Công Phượng as the inspiration for his playing style.