Denis Linsmayer (born 19 September 1991) is a German professional footballer who plays as a defensive midfielder for Mainz II.
Linsmayer began his career with 1. FC Kaiserslautern made his debut for the club in August 2012, as a substitute for Albert Bunjaku in a 2. Bundesliga match against Dynamo Dresden.
On 26 June 2023, Linsmayer agreed to join Mainz II in Regionalliga.