|• Mayor (2020–26)||Hermann Nafziger (CSU)|
|• Total||10.68 km2 (4.12 sq mi)|
|Elevation||542 m (1,778 ft)|
|• Density||1,000/km2 (2,700/sq mi)|
|Time zone||UTC+01:00 (CET)|
|• Summer (DST)||UTC+02:00 (CEST)|
Planegg is a municipality in the district of Munich, in Bavaria, Germany. It is located on the river Würm, 13 km west of Munich (centre).
Koch Media has its head office in Planegg. It also hosts many biotech-companies, like ADVA Optical Networking, GPC Biotech, MediGene and MorphoSys. In addition, the Max Planck Institute of Neurobiology and the Max Planck Institute of Biochemistry are located in the section of Martinsried. Furthermore, Astelco  optical systems, a manufacturer of space systems is located in Planegg.
There are two primary schools, the Grundschule Planegg and the Grundschule Martinsried, as well as the senior high school Feodor-Lynen-Gymnasium Planegg.
The faculty of biology at the Ludwig Maximilian University of Munich is situated in Planegg.