Oster (disambiguation)

Oster or Ostyor may refer to:

• Oster, a town in Chernihiv Oblast, Ukraine
• Oster, Minnesota, a community in the United States
• Oster (Blies), a river in the Saarland, Germany
• Ostyor, Russia, a former urban-type settlement in Smolensk Oblast, Russia; since 2004—a rural locality
• Hans Oster (1887–1945), German intelligence officer during World War II
• SS Oster, a steam ferry that sailed the fjords near Bergen, Norway from 1908 to 1963
• Harry Oster (1923–2001), US-American folklorist and musicologist
• Jack Oster, British rugby league footballer
• John Oster, Doncaster Rovers and former Welsh International association football player
• John Oster Manufacturing Company, a manufacturer of kitchen appliances, popularly known for the Oster Kitchen Center