Japan Radio Network (JRN; Japanese: ジャパン・ラジオ・ネットワーク) is a Japanese commercial radio network run by TBS Radio in Tokyo, owned by TBS Holdings (which is a part of the major conglomerate Mitsui Group). Established on 2 May 1965, JRN is made up of 34 regional affiliates, including four full-time affiliates and 30 stations that are dual-affiliated with the rival National Radio Network (NRN).
Stations are listed mostly in Japanese order of prefectures which is mirrored in ISO 3166-2:JP.