Several broadcasters have a service called Radio 1:

• BBC Radio 1 is the British Broadcasting Corporation's popular music radio station.
• CBC Radio 1 is the Canadian Broadcasting Corporation's news, current events and talk station.
• RTÉ Radio 1 is the Radio Telefís Éireann's news, current events and talk station.
• Czech Radio 1 is a commercial music radio station based in Prague focused on non mainstream music (electronic,rock,world music,...).
• Radio 1 (Norway) is a commercial radio station in Norway.
• Radio 1 (Netherlands) is the news, current affairs and sport station of the Dutch public broadcasters.

There is also a U.S. company named Radio One.