Shion Tamenaga
- Born
- 9 February 2004 (22 years)
- Place of birth
- Nagano, Japan
- Gender
- Female
為永幸音 (Tamenaga Shion) is a Japanese pop singer under Hello! Project as a 9th generation member of ANGERME. She is a former member of Hello Pro Kenshuusei. Prior to joining Hello! Project, she was active as a Nagano local idol.
