Florian Grillitsch (born 7 August 1995) is an Austrian professional footballer who plays as a defensive midfielder or centre back for Spanish La Liga club Real Valladolid on loan from the German side TSG Hoffenheim, and the Austria national team.

Born in Neunkirchen, Austria on 7 August 1995,[1] Grillitsch played for SVSF Pottschach and St. Pölten in his youth football career.

[4] He played the full 120 minutes including extra-time in the 2–0 win against Würzburger Kickers in the first round of the DFB-Pokal on 8 August 2015, notably assisting Anthony Ujah for 1–0.

[4] Grillitsch achieved his first assist in the Bundesliga as Werder beat Mainz 3–1 on 24 October 2015 setting up Fin Bartels for the third goal.

After moving to then Dutch champions AFC Ajax in September 2022,[16] Grillitsch returned to Hoffenheim after a year on a free transfer, signing a contract until 2026.