Karu may refer to:
- Places
- Karu, Estonia
- Karu LGA, Nigeria
- Karu Nadu, South West India
- Karu, Ladakh, North India
- Languages
- People
- Erkki Karu (1887–1935), Finnish film director, screenwriter and producer
- Esko Karu (1946–2003), Canadian skier
- Peeter Karu (1909–1942), Estonian sport shooter
- Karu Jain, Indian cricketer
- Media
- Karu (film), a Tamil film directed by A. L. Vijay
- Karu süda (The Heart of the Bear), a 2001 Estonian film
- "Karu", a song by Sentenced from The Funeral Album
