Lukas Schmitz  is a German footballer who plays for German Bundesliga club Werder Bremen.

Schmitz began his career with TSG Sprockhövel. Here he scored 11 goals in 23 games during the 2006–07 season of the Verbandsliga Westfalen 2. In July 2007, he signed for VfL Bochum II. He played 36 games with the VfL Bochum reserve squad.

Schmitz transferred to nearby rivals Schalke 04 on 8 May 2009. He made his professional debut on 18 September 2009 in a match against VfL Wolfsburg.

Schmitz signed a four-year contract with Werder Bremen on 17 June 2011.

Schmitz plays as a left midfielder or a defensive midfielder. In the 2010–11 season, he became the Schalke's main left fullback.