Reitter is a German occupational surname, which means a "mounted soldier" or "knight", from the Middle High German ritære ("horseman"). The name may refer to:
Christian Reitter, (?–1700) and merchant from Munich that founded the Dallmayr Delicatessen deli&grocery chainDavid Reitter, (1978-) a cognitive scientist and professor at Penn State, and creator of AquamacsFerenc Reitter (1813–1874), a Hungarian architect and engineerEdmund Reitter (1845–1920), a Moravia-born Austrian-German entomologist, writer, collector, beetle expertEdmund Reitter (1904–2005), an Austrian sculptorPaul Reitter, an author and professor in Germanic Languages and Literatures at Ohio StateBrauerei Reitter, a brand of German micro-brew 