WCBS-FM (101.1 MHz.) is a radio station in New York City, owned by CBS Radio. The station's studios are located within the Viacom Building, north of Times Square, and its transmitter is located above the Empire State Building.

WCBS-FM airs an Oldies/Classic Hits format, concentrating primarily on music released from 1964 to 1989, but also plays some 1950s-based titles as well. WCBS-FM was one of the first notable oldies stations in the country, with the format dating back to July 7, 1972. Between June 3, 2005 and July 12, 2007, the station aired an adult hits format as "Jack FM", before flipping to an updated version of its previous oldies format.