Jaanika Arum
- Birthday: 1987-04-21
- Place of birth: Pärnu, Pärnu County, Estonian SSR, USSR [now Estonia]
- Also know as: يانيكا أروم
Jaanika Arum (born on April 21, 1987 in Pärnu) is an Estonian actress. She graduated from the Estonian Academy of Music and Theater and the Department of Dramatic Art at Bretford College of Theater and Performance in London.
