Christian Ilzer (born 21 October 1977) is an Austrian professional football coach who is the manager of Bundesliga club TSG Hoffenheim.

As a teenager, three cruciate ligament injuries stopped his career and at the age of only 17, where became coach of USK Raiffeisen Puch's U17 squad.

[3] In the 2017–18 season, he guided the club to finish second in the second division, securing promotion to the Austrian Bundesliga for the first time in their history.

[5] He led the club to qualify to the Europa League group stage for first time in their history, after finishing third in the Austrian Bundesliga.

[12] Furthermore, he succeeded in steering the club to their first domestic double since the 1998–99 season, having achieved the 2023–24 Austrian Cup following a 2–1 victory over Rapid Wien in the final.