The Max-Planck-Institut für Astronomie (Max Planck Institute for Astronomy) is a research institute of the Max Planck Society. It is located in Heidelberg, Baden-Württemberg, Germany near the top of the Koenigstuhl, adjacent to the historic Landessternwarte Heidelberg-Königstuhl astronomical observatory.
The institute was founded in 1967. Its founding directors were H. Elsässer and G. Munch, who were followed by K.-H. Böhm, G. H. Herbig, and S. V. W. Beckwith. The current directors are Hans-Walter Rix and Thomas Henning.