Otto Kaiser
Otto Kaiser is the name of the following people:
- Otto Kaiser (forester) (1824–1915), German forester
- Otto Kaiser (preacher) (1880–1925), German rabbi and religion teacher
- Otto Kaiser (figure skater) (1901–1977), Austrian figure skater
- Otto Kaiser (SS member) (1913–1996), German SS Oberscharführer
- Otto Kaiser (theologian) (1924–2017), German theologian
- Otto Kaiser , real name of Otto Quirin (* 1927), German painter
- Otto Kaiser-Columberg (1908–1987), Swiss painter
Otto Kaiser is the name of the following companies:
- Maschinenfabrik Otto Kaiser , German crane manufacturer
