Michalka (/mɪˈhɑːlkə/) is a surname, often of Czech and Slovak origin. It can also be a nickname for Michaela.
People with the surname include:
- Aly Michalka (born 1989), American singer, actress, and member of Aly & AJ
- AJ Michalka (born 1991), American singer, actress, and member of Aly & AJ