Setonaikai Broadcasting Co., Ltd. (株式会社瀬戸内海放送, K. K. Setonaikai Broadcasting, [KSB]) is a TV station broadcasting in Kagawa and Okayama Prefectures. It is a member station of the All-Nippon News Network (ANN).

A preliminary license was granted on November 1, 1967; on November 22, 1967 it was established as Shin-nihon Broadcasting. The current name was adopted on February 19, 1968.

• April 1, 1969: Analog TV Broadcasting started
• December 1, 2006: Digital TV Broadcasting started
• July 24, 2011: Analog TV Broadcasting ended
• January 18, 2021: Moved to its new headquarters in Kaminocho, Takamatsu City, Kagawa Prefecture from its former headquarters in Saihōchō Itchōme, Takamatsu, Kagawa Prefecture.

• Headquarters: 2-1-43 Kaminocho, Takamatsu City, Kagawa Prefecture
• Okayama Office: 1–18, Daiku San-chōme, Kita-ku, Okayama, Japan
• Tokyo Branch Office: 6–7, Ginza Roku-chōme, Chūō, Tokyo, Japan
• Osaka Branch Office: 2–4, Nakanoshima San-chōme, Kita-ku, Osaka, Japan
• Hiroshima Branch Office: 15–6, Hatchōbori, Naka-ku, Hiroshima, Japan

• ANN and TV Asahi Network

• Okayama JOVH-TV 25CH 20 kW

• Okayama JOVH-DTV 30CH 2 kW

• Nikomaru Wide
• KSB Super J Channel
• KSB News
• KSB News view
• Saikyō! Dream Hyakkaten
• Jiyūjin Kaisyajin - Top no Yokogao

• Official website

34°20′30.9″N 134°1′48.1″E / 34.341917°N 134.030028°E / 34.341917; 134.030028