KMEX-DT is a television station in Los Angeles, serving as the western flagship station of the Spanish-language network Univision. It is owned and operated by TelevisaUnivision alongside Ontario, California–licensed UniMás station KFTR-DT. The two stations share studios on Center Drive in Westchester; KMEX-DT's transmitter is located atop Mount Wilson.

Univision is an American Spanish-language free-to-air television network owned by TelevisaUnivision. It is the United States' largest provider of Spanish-language content. The network's programming is aimed at the Latino public and includes telenovelas and other drama series, sports, sitcoms, reality and variety series, news programming, and imported Spanish-language feature films. Univision is headquartered in Midtown Manhattan, New York City, and has its major studios, production facilities, and business operations based in Doral, Florida.