Otto Keller
Otto Keller is the name of the following people:
- Otto Keller (politician, 1830) (1830–1907), German politician (NLP)
- Otto Keller (philologist) (1838–1927), German classical philologist
- Otto Keller (music writer) (1861–1928), Austrian music writer
- Otto Keller (writer) (1875–1931), German writer and composer
- Otto Keller (politician, 1879) (1879–1947), German politician (DVP)
- Otto Keller (politician, 1916) (1916–2003), Swiss politician (FDP)
- Otto Keller (politician, 1926) (1926-2018), Austrian politician (ÖVP)
- Otto Keller (Germanist) (* 1926), Swiss Germanist
- Otto Keller (soccer player) (1939-2014), German soccer player
