Gröbenzell (German pronunciation:[ˈɡʁøːbn̩tsɛl]) is a municipality and suburb to Munich in the district Fürstenfeldbruck, in Bavaria, Germany. It was founded in 1952, and has a population of 19,202. Gröbenzell is often called a garden city, which is also illustrated by the two flowers in the coat of arms.

Gröbenzell is one of the most densely populated municipalities in Germany and is the most populous municipality in the district of Fürstenfeldbruck without city status. There are no further municipal subdivisions. Gröbenzell was founded as a political municipality. In doing so, parts of municipalities from Munich, Puchheim, Olching, and Geiselbullach were merged into one location around the Gröbenzell train station.