WWJ (950 AM) is a commercial radio station licensed to serve Detroit, Michigan, featuring an all-news format known as "Newsradio 950 WWJ". Owned by Audacy, Inc., the station services Metro Detroit, is the market affiliate for CBS News Radio, and the flagship station for the Michigan Sports Network. Operating on a regional broadcast frequency, its studios are in the Panasonic Building in Southfield, and its transmitter site is near Newport. WWJ is licensed by the Federal Communications Commission to broadcast in the HD Radio format, and is simulcast on an HD subchannel of sister station WXYT-FM.

On the air for a century, WWJ began daily broadcasts as the "Detroit News Radiophone" on August 20, 1920, while it operated under an amateur radio license with the call sign "8MK". Over the years the station has claimed the titles of "America's Pioneer Broadcasting Station" and where "commercial radio broadcasting began."