Dann (단) is a South Korean artist under GF Entertainment. He is a member of the Korean pop boy group KINGDOM.
- Stage Name: Dann (단)
- Birth Name: Jung Seung Bo (정승보)
- Nickname: Seungppo (승뽀), Boseungi (보승이)
- Birthdate: November 1, 1997
- Birthplace: Ilsan, South Korea
- Blood Type: A
- Height: 178cm
- Weight: 64kg
- Specialties: Musical, drums, swimming
- Hobbies: Watching movies
- Role Model: Jooheon, Jay Park, Jimin
- He lived in Dubai since age 10.
- He is fluent in English, Korean, and Arabic.
- He represents the king of Denmark, Dan.