Marco Alessandro Sulzner (born 2 July 2003) is an Austrian professional footballer who plays as a defender for Austrian Football Bundesliga side LASK.

On 7 February 2022, Sulzner signed with Austrian Football Bundesliga club LASK.

As LASK and Sulzner's previous club Juniors OÖ are under a cooperation agreement, he is eligible to play for either club.

[3] Sulzner made his Bundesliga debut for LASK on 19 February 2022 against Admira Wacker.

This biographical article related to association football in Austria, about a defender, is a stub.