Oser () is a Hebrew given name and surname, which may refer to:
People Bernard L. Oser (1899–1995), American scientist Charles Oser (1902–1994), Swiss politician Jean Oser (1908–2002), German-American film editor Lee Oser (born 1958), American writer Leopold Oser (1839–1910), Austrian physician Michael Oser Rabin (born 1931), Israeli computer scientist
Other uses Bernard L. Oser Award Office of Special Education and Rehabilitative Services (OSERS), U.S. Dept of Education Tu aurais dû me dire (Oser parler d'amour), French song Wisconsin Office of State Employment Relations (OSER)
See also Oeser Öser (surname) Özer