Oja (surname)
Oja is an Estonian and Finnish surname of Laine type meaning "stream" and "brook" in both languages, as well as "ditch" in Finnish. As of 2019, there were 1,891 people with the surname in Estonia: 926 men and 965 women. Oja is ranked as the 15th most common surname in Estonia. People bearing the surname Oja include:
- ,, Estonian drummer
- ,, Estonian actor
- Bruno O'Ya, Estonian-Polish actor
- Dagmar Oja, Estonian singer
- Eduard Oja, Estonian composer, conductor, music teacher and critic
- Erkki Oja, Finnish computer scientist
- Eve Oja, Estonian mathematician
- Hannu Oja, Finnish statistician
- Heikki Oja, Finnish astronomer and writer
- Kristjan Oja Estonian biathlete
- Pääru Oja, Estonian actor
- Peeter Oja, Estonian actor, singer, comedian and media personality
- Regina Oja, Estonian biathlete
- Rein Oja, Estonian actor
- Silva Oja, Estonian heptathlete
- Tarmo Oja, Estonian-Swedish astronomer
- Tasuja Oja, Estonian politician and civil servant
- Tõnu Oja, Estonian actor
As a given name
- Oja Kodar, Croatian actress, screenwriter and director