Eichenau (German pronunciation:[ˈaɪçənaʊ]) is a municipality in the district of Fürstenfeldbruck, in Bavaria, Germany. It is 20 km west of Munich (centre).

Eichenau was officially named in 1907 as a separate settlement to the community of Alling. Its location is due to the railway station on the line Munich to Lindau. The settlement grew according to plans made by district commissioner Josef Nibler in Fürstenfeldbruck since 1916. He founded the Baugenossenschaft Eichenau and managed to acquire 60 ha of land for housing projects after the First World War. Most of the population commutes to Munich. The town now has a large sports centre, complete with outdoor beach volleyball courts and tennis courts.

Eichenau has two elementary schools ("Grundschule") and one high school ("Mittelschule").