WRNR (740 kHz) is a news–talk–sports formatted broadcast radio station licensed to Martinsburg, West Virginia, serving Martinsburg, Shepherdstown, Winchester, Charles Town and Hagerstown.

WRNR is owned and operated by Shenandoah Communications, Inc. 740 AM is a Canadian clear-channel frequency, on which CFZM in Toronto, is the dominant Class A station.

WRNR must lower its wattage from sunset to sunrise to protect the nighttime skywave signal of CFZM.

In addition to the main stations at 740 kHz, WRNR is relayed by an FM translator to widen its broadcast area.

This article about a radio station in West Virginia is a stub.