Windows Media Player is a media player and media library application by Microsoft.

WMP may also refer to:

Warner Music Poland, a record label Wealth management product, a financial product sold in China West Midlands Police, a police force in England Western Malayo-Polynesian languages, a group of languages Whole milk powder, a manufactured dairy product World Matchplay (darts), a professional darts tournament Mampikony Airport (IATA: WMP), an airport in Madagascar World Mercury Project, a US American activist group since 2007 dedicated to ending exposure to neurotoxic mercury in fish, medical products, dental amalgams and vaccines, later renamed as Children's Health Defense