WASH (97.1 MHz) is a commercial FM radio station owned and operated by iHeartMedia and located in Washington, D.C. Known on-air as "WASH-FM," the station airs an adult contemporary radio format. Studios and offices are on Rockville Pike (Maryland Route 355) in Rockville, Maryland. The station has an effective radiated power (ERP) of 17,500 watts, broadcasting from a tower at 242 metres (794 ft) in height above average terrain (HAAT). The transmitter site is on Chesapeake Street NW off Wisconsin Avenue in the Tenleytown neighborhood of Washington, D.C. With a good radio, WASH coverage extends from Baltimore to Fredericksburg, Virginia.

WASH broadcasts using HD Radio technology. Its HD2 digital subchannel carries the Air1 contemporary Christian music channel from the Educational Media Foundation, and its HD3 subchannel formerly carried iHeartRadio's "The Breeze" Soft AC format. WASH streams its programming on the iHeartRadio platform.

Weekdays begin with the Toby & Chilli morning show, followed by Jenni Chase in middays and Sabrina Conte in afternoons. In the evening, WASH carries the syndicated Delilah show, featuring music requests and call-ins. Weekends include the syndicated Ellen K Show and Back Trax USA with Kid Kelly. For much of November and December, the station switches to Christmas music (as well as on July 25 for "Christmas in July") and calls itself "Washington's Home For The Holidays" during the holiday season.