Mariano Werner (born December 30, 1988, in Paraná, Entre Ríos) is an Argentine professional motor racing driver.

[7] In 2008 Werner also made his TC 2000 debut with Toyota Team Argentina and in 2009 wins for the first time in both series.

[1] In 2010, competing with Omar Martínez's team, he lost the TC championship for not having won a final race.

[1][11] After an illegal maneuver on Matías Rossi on the last lap of the final TC race in 2016, Werner was sanctioned with exclusion for the middle of the 2017 season and a financial fine.

[12][13] Werner took Rossi off the track in the last corner and caused him to lose the championship to Guillermo Ortelli.