Sakaguchi Nagisa (坂口渚沙)
- Birth Name: Sakaguchi Nagisa (坂口渚沙)
- Nickname: Nagi (なぎ)
- Position: Vocalist
- Birthday: December 23, 2000
- Blood Type: A
- Height: ?
- Weight: ?
- Team: 4, 8
- Zodiac Sign: Capricorn
- Generation: 1st Generation Team 8
- Twitter: @s_snowgirl_n
- Instagram: @nagisa_sakaguchi