Mizote Ruka (溝手るか) is a Japanese idol. She is a member of the group SUPER☆GiRLS.
- Name: Mizote Ruka (溝手るか)
- Nickname: Ruka (るか)
- Birthdate: January 25, 1997
- Birthplace: Osaka, Japan
- Blood Type: A
- Height: 166cm
- SUPER☆GiRLS (2010-)
- Chouzetsu Color: Vivid Red
- Hobbies: Painting
- Special skill: Street performence (Juggling, balloon art)
- Special 1-shot gag: Animal imitations
- Motto: Come true always if you try.
- Favourite Entertainer: DREAMS COME TRUE, Mr. Children, Ayaka
- Future Dream: Singing and dancing artist