WPP may refer to: WPP plc, a British multinational advertising and public relations company WPP domain, a protein domain found in plants Wavefront parallel processing, a video coding technique White Patriot Party, a former American white supremacist paramilitary political party Windows software trace preprocessor United States Federal Witness Protection Program Woman's Peace Party, an American pacifist organization established in 1915 World Press Photo, holder of an annual press photography contest