Nguyễn Thái Sơn (born 13 July 2003) is a Vietnamese professional footballer who plays as a defensive midfielder for V.League 1 club Đông Á Thanh Hóa and the Vietnam national team.

He made his professional debut for Đông Á Thanh Hóa on 4 November 2022 as a 72nd-minute substitute for Hoang Dinh Tung, and scored the final goal of a 1–1 draw with Hanoi FC.

[1][2] In the 2023 V.League 1 season, Thái Sơn appeared in 15 games, playing a big role to help Thanh Hóa finish fourth in the league.

[3] In April 2023, Thái Sơn was named by coach Philippe Troussier on Vietnam U22 squad for the 2023 Southeast Asian Games.

[5] On 18 June 2023, Thái Sơn was called up to the senior Vietnam squad for the first time for friendlies against Syria and later made his international debut against the opponent.