Karl Maier
Carl or Karl Maier is a German name and may refer to:
- Carl Maier (c. 1818–1874), German violinist
- Carl Maier, officer of the Fliegertruppe in WWI, Lieutenant Colonel of the Luftwaffe in WWII
- Karl Maier (1898–1978), private forest officer, NSDAP politician, mayor of Betra, regional director of Hohenzollern, district leader in Sigmaringen and district leader in Freudenstadt
- Karl Maier (1904–1944), 1st Lieutenant of the Luftwaffe and commander of a Flak battery
- Karl Wilhelm Maier, mathematician and weapons expert