Watanabe Hikaru (渡邉ひかる) is a Japanese idol. She is a member of the group SUPER☆GiRLS.
- Name: Watanabe Hikaru (渡邉ひかる)
- Nickname: Pikarun (ぴかるん)
- Birthdate: February 15, 1994
- Birthplace: Hokkaido, Japan
- Blood Type: A
- Height: 158cm
- SUPER☆GiRLS (2010-)
- Chouzetsu Color: Champagne Gold
- Hobbies: Blog research, painting, One cafe, half-bath
- Special skill: Dance, human beat box
- Special 1-shot gag: Human beat box, Tap dance, funny faces
- Motto: I see a good place
- Favourite Entertainer: Nishida Toshiyuki , Abe Hiroshi
- Future Dream: I want to be a singer and an actress, and hold a charity concert for the world's troubled people.
- She auditioned for Morning Musume Happy 8ki Audition, however she did not pass the third round.
- She is a former member of EXPG, and she has been a back-dancer for EXILE.