Karl Singer
Karl Singer is the name of the following people:
- Karl Singer (civil servant) (1860–1908), German civil servant, director of the Städt. Statistical office and board member of the Association for the Improvement of Housing in Munich
- Karl Singer (writer) (1902–1956), Austrian writer
- Karl Singer (mathematician) (1940–2015), Banat German mathematician and university professor
- Karl Singer ( American football player ) ( Karl Kenneth Singer , born 1943) American football player
- Karl-Heinz Singer (1928–2005), German soccer player
- Karl Max Friedrich Singer (1888–1941), Austrian surgeon and gynecologist