Otto Keller
Otto Keller is the name of:
- Otto Keller (NLP ) ( 1830-1907 ), German politician ( NLP)
- Otto Keller ( philologist ) ( 1838-1927 ), German classical scholar
- Otto Keller (music writer ) ( 1861-1928 ), Austrian writer on music
- Otto Keller ( writer ) ( 1875-1931 ), German writer and composer
- Otto Keller ( DVP ) ( 1879-1947 ), German politician ( DVP )
- Otto Keller (FDP ) ( 1916-2003 ), Swiss politician (FDP)
- Otto Keller (ÖVP ) ( born 1926 ), Austrian politician ( ÖVP)
- Otto Keller ( footballer ) ( born 1939 ), German football player
- Disambiguation