Stefan Posch is a 29-year-old professional football player from AUT. At the international level, he represents Austria. He plays primarily as a Defender. He stands at 188cm tall and weighs 76kg. His preferred foot is Right. His current market value is estimated at 6M .

His most recent move was a Loan from 1. FSV Mainz 05 to Como on 2026-06-30.

Throughout the Serie A 2025-2026, Stefan Posch featured in 21 matches, averaging 0.6 tackles, 0.2 interceptions, and 0.7 clearances per game, while blocking 0 shots per game.