Altheim may refer to:
Places
Austria Altheim, Austria, a town in Upper Austria
Germany Altheim, Biberach, a municipality in the district of Biberach, Baden-Württemberg Altheim (Alb), a municipality in the district of Alb-Donau, Baden-Württemberg Altheim (Ehingen), a municipality in the district of Alb-Donau, Baden-Württemberg Altheim, a district of Münster, Darmstadt-Dieburg, Hessen; formerly called "Spitzaltheim"
United States Altheim, the former name of Town and Country, Missouri, a city in St. Louis County
People Franz Altheim (1898–1976), German scholar