For actor with the same name, see Baek Sung Hyun.
- Name: 빽가 / Baek Ga (Bbaek Ga)
- Real name: 백성현 / Baek Sung Hyun (Baek Seong Hyeon)
- Profession: Singer and rapper
- Birthdate: 1981-May-14 (age 37)
- Birthplace: Seoul, South Korea
- Height: 186cm
- Weight: 74kg
- Star sign: Taurus
- Blood type: O
- Talent agency: KYT Entertainment
- Hero (MBC, 2009)
- Kpop group: Koyote
- Education: Mokwon University (Department of German Language and Literature)
- He was diagnosed with brain tumor and underwent brain surgery in January 2010.