Arisa (ありさ) is a Japanese singer. She was introduced as a member of the Korean Pop girl group Crayon Pop for their Japanese promotions only, but has since withdrawn from the group.
- Stage Name: Arisa (ありさ, 아리사)
- Real Name: Sekine Arisa (関根ありさ)
- Birthdate: 1988
- Birthplace: Japan
- Languages: Korean (Conversational)