Ozoliņš is a Latvian masculine surname, which is derived from the Latvian word ozols, meaning "oak tree"; its feminine counterpart is Ozoliņa. In the former Soviet Union the name was often transliterated as Ozolin (masculine) or Ozolina (feminine). It may refer to:
Agnese Ozoliņa (born 1979), Latvian swimmerAlberts Ozoliņš (1896–1985), Latvian weightlifterEdvin Ozolin (born 1939), Soviet sprinter and coachElvīra Ozoliņa (born 1939), Soviet javelin throwerKārlis Ozoliņš (born 1994), Latvian ice hockey playerNikolay Ozolin (1906–2000), Russian pole vaulterSandis Ozoliņš (born 1972), Latvian ice hockey playerSinta Ozoliņa-Kovala (born 1988), Latvian javelin throwerValdemārs Ozoliņš (1896–1973), Latvian composer and conductor