The Monday Night War or the Monday Night Wars, was an era of mainstream televised American professional wrestling, from September 4, 1995 to March 26, 2001, in which the World Wrestling Federation's Monday Night Raw and World Championship Wrestling's (WCW) Monday Nitro were broadcast opposite each other in a battle for Nielsen ratings each week. It largely overlapped with the Attitude Era, a period in which the WWF used the term "WWF Attitude" to describe its programming from November 9, 1997 to May 6, 2002.

WCW Monday Nitro, also known as WCW Nitro or simply Nitro, was an American professional wrestling television program that was produced by World Championship Wrestling (WCW) and broadcast weekly every Monday night on TNT in the United States from September 4, 1995 to March 26, 2001.