Irmer is a surname of German origin. It has emerged from the Old German first name Irminher (erm[en]/irm[in] = "strong", "tall" + heri = "warhost", "army").Rosa und Volker Kohlheim, Duden Familiennamen: Herkunft und Bedeutung von 20.000 Nachnamen, 348 Outside of Germany the surname is most often found among German Americans and German Brazilians.
Notable people with the surname include: Georg Irmer (1853–1931), German archivist, consul and historian Hans-Jürgen Irmer (born 1952), German politician Jean Carlos de Souza Irmer (born 1994), Brazilian footballer Karl-Heinz Irmer (1903–1975), German field hockey player References