Trần Nam Hải (born 5 February 2004) is a Vietnamese professional footballer who plays as a midfielder or center back for V.League 1 club Sông Lam Nghệ An and the Vietnam national under-23 team.

[2] Nam Hải was a member of the Sông Lam Nghệ An football academy.

[3] He scored his first professional goal on 4 February 2023 against SHB Đà Nẵng in the opening game of the 2023 V.League 1[4] Nam Hải was named in Vietnam U20 squad for the 2023 AFC U-20 Championship.

He made two appearances during the tournament, both as a substitute player.

[5] Later in the year, Nam Hải was part of the Vietnam U23 that win the 2023 AFF U-23 Championship, starting as a center-back throughout the tournament.