Hall-of-Famers: 1 football
(football) Jim Otto   1980  
Notable Actors and Entertainers: 1 actor
Miranda Otto   1967-  
Notable Musicians: 1 musician
John Otto   1977-  
Notable Scientists and Inventors: 1 inventor
Nikolaus Otto   1832-1891  
Olympic Medalists: 2 gold, 2 silver, 1 bronze
(silver) Louise Otto   1912   swimming - 4x100 m freestyle relay  
(bronze) Frank Otto   1984   water polo  
(gold) Kristin Otto   1988   swimming - 100 m backstroke; swimming - 100 m butterfly; swimming - 100 m freestyle; swimming - 4x100 m freestyle relay; swimming - 4x100 m medley relay; swimming - 50 m freestyle  
(gold) Sylke Otto   2002; 2006   luge  
(silver) Björn Otto   2012   pole vault