Oster (disambiguation)

Oster may refer to:

Geography

 * Oster, a town in Chernihiv Oblast, Ukraine
 * Oster, Minnesota, an unincorporated community in the United States
 * Oster (river), a tributary of the Desna in Ukraine
 * Oster (Blies), a small river in the Saarland, Germany

Surname

 * Daniel Oster (1938–1999), French fiction and non-fiction writer
 * Emily Oster (born c. 1980), American economist and academic, daughter of Sharon Oster
 * Ernst Oster (1908—1977), German pianist, musicologist and music theorist
 * George Oster (1940–2018), American mathematical biologist
 * Grigoriy Oster (born 1947), Russian children's book author and scriptwriter
 * Hans Oster (1887–1945), German World War II general and figure in the German anti-Nazi resistance
 * Harry Oster (1923–2001), American folklorist and musicologist
 * Heinrich Oster (1878–1954), German chemist, business executive and Nazi war criminal
 * Jack Oster (c. 1910–?), British rugby footballer
 * Jeffrey W. Oster, US Marine Corps lieutenant general
 * Jennifer Oster (born 1986), German footballer
 * John Oster (born 1978), English-born Welsh footballer
 * Josef Oster (born 1971), German politician
 * Shai Oster, American 21st century journalist
 * Sharon Oster (1948-2022), American economist and academic, mother of Emily
 * Stefan Oster (born 1965), German Catholic bishop

Other uses

 * SS Oster, a steam ferry that sailed the fjords near Bergen, Norway from 1908 to 1963
 * Östers IF (ice hockey) or simply Öster, a defunct Swedish hockey team