NanaOn-Sha
| Native name | 株式会社七音社 | 
|---|---|
| Company type | Kabushiki-gaisha | 
| Industry | Video games | 
| Founded | 1993 | 
| Founder | Masaya Matsuura | 
| Headquarters | , | 
| Products | PaRappa the Rapper Um Jammer Lammy Vib-Ribbon | 
| Website | nanaon-sha.co.jp | 
NanaOn-Sha (株式会社七音社, Kabushiki-gaisha NanaOn-Sha) is a Japanese video game developer founded by Masaya Matsuura in 1993.