Marco Haller (born 1 April 1991) is an Austrian professional road bicycling racer, who rides for UCI ProTeam Tudor Pro Cycling Team.

[7] A sprinter, Haller has taken six victories during his professional career, including wins at the 2015 Austrian National Road Race Championships and the 2022 Hamburg Cyclassics.

[9] He took his first win with the team later that year, at the Tour of Beijing, in a mass sprint where he had the upper hand on established sprinters such as Alessandro Petacchi (Lampre–ISD) and Elia Viviani (Liquigas–Cannondale).

[18] Haller took no further wins over the next three years, his closest such result was a second-place finish on the final stage of the 2018 Dubai Tour, being outsprinted by Elia Viviani.

The following year, Haller finished second to Patrick Konrad at the Austrian National Road Race Championships,[25] and he placed sixth overall at the Deutschland Tour.