Wilhelm Vorsager (born 29 June 1997) is an Austrian professional footballer who plays as a midfielder for Norwegian side Start.

On 8 May 2015 he made his debut for the reserve team, Admira Wacker Amateure in the Austrian Regionalliga, coming off the bench for Markus Pavić in the 35th minute in a 2–2 draw against Rapid Wien II.

[3] After more than 40 appearances for the reserves, he was included in the first-team squad for the first time April 2017 for the league match against Rheindorf Altach.

He would, however, make his Austrian Football Bundesliga debut on 16 December 2017 in another game against Rheindorf Altach, also scoring his first goal in a 3–1 as he featured in the starting lineup.

[6] On 1 August 2024, Vorsager joined Norwegian First Division club IK Start, after his contract at Admira wasn't extended.