| TV Shinshu Broadcasting Co., Ltd. | |
| Native Name: | 株式会社 テレビ信州 |
| Romanized Name: | Kabushikigaisha Terebishinshū |
| Type: | Kabushiki gaisha |
| Industry: | Television broadcasting |
| Hq Location: | 1-1-1 Wakasato |
| Hq Location City: | Nagano City, Nagano Prefecture |
| Hq Location Country: | Japan |
| Key People: | Hiroyuki Shiraiwa (President and CEO) |
| Footnotes: | Data from its Corporate Profile |
| Callsign: | JONI-DTV |
| Location: | Nagano, Nagano Prefecture |
| Country: | Japan |
| Branding: | TSB |
| Digital: | 14 (UHF) |
| Virtual: | 4 |
| Founded: | December 3, 1979 |
| Airdate: | October 1, 1980 |
| Former Affiliations: | All-Nippon News Network (October 1, 1980 - March 31, 1991) |
| Callsign Meaning: | Nagano/ShIn'etsu (prefecture/historical region) |
| Former Channel Numbers: | 30 (analog UHF, 1980–2011) |
| Former Callsigns: | JONI-TV (1980–2011) |
| Owner: | TV Shinshu Broadcasting Co., Ltd. |
| Affiliations: | Nippon News Network and Nippon Television Network System |
| Licensing Authority: | MIC |
, also known as TSB, is a Japanese broadcast network affiliated with NNN and NNS. Their headquarters are located in Nagano Prefecture.
In July 1971, Kiichiro Takizawa applied for the license of the third private TV station in Nagano prefecture under the name of Shinshu TV Broadcasting, which was the first application for the third private broadcaster in Nagano Prefecture.[1]