Max Joseph Roemer (1791, Munich – 1849) was a German botanist who worked in Weimar.
Roemer served as Landrichter (country judge) in the Bavarian town of Aub before working as a private scientist in Würzburg.[1] and is the taxonomic authority of the genera Heteromeles, Pyracantha, and Erythrocarpus as well as numerous plant species.[2]