Yahagi Yukina (矢作有紀奈) is a former Japanese pop singer and idol managed by AKS. She was a member of SKE48 Team KII.
- Birth Name: Yahagi Yukina (矢作有紀奈)
- Nickname: Kina (きな)
- Date of Birth: March 13, 1995
- Place of Birth: Saitama, Japan
- Blood Type: B
- Height: 156cm
- Bands / Groups:
SKE48 Song Participation
- Originally an eighth generation member of SKE48 Kenkyuusei, she was promoted to Team KII on October 5, 2017. She announced her graduation on October 6, 2018 and graduated on November 10th.
- Her younger sister is Yahagi Moeka, a third generation draftee in AKB48.