Ungerer is a surname and may refer to:
- Alfred Ungerer (1861-1933), tower clock industrial
- Théodore Ungerer, (189...-1935), tower clock industrial, son of Alfred
- Tomi Ungerer (born 1931), a French illustrator, son of Théodore. A museum is dedicated to him in his hometown Strasbourg, the Musée Tomi Ungerer/Centre international de l’illustration.
- Werner Ungerer (born 1927), German diplomat, rector of the College of Europe
- Hilarios Karl-Heinz Ungerer German Bishop
- Joe Ungerer (born 1916), American football player
- Soné Ungerer (born 1983), South African geneticist and avid tennis player
Two Ungerer brothers assisted Jean-Baptiste Schwilgué (1776-1856) in the construction of the third Strasbourg astronomical clock.