Miss World 2016, the 66th edition of the Miss World pageant, was held on 18 December 2016, at the MGM National Harbor, Oxon Hill, Maryland, United States. 117 contestants from all over the world competed for the crown. Mireia Lalaguna of Spain crowned her successor Stephanie Del Valle of Puerto Rico at the end of the event. It was the second time that the Miss World pageant held in the United States. It was the second time where Puerto Rico won Miss World, after Wilnelia Merced in 1975.

Miss World is the oldest existing international beauty pageant. It was created in the United Kingdom by Eric Morley in 1951. Since his death in 2000, Morley's widow, Julia Morley, has co-chaired the pageant. Along with Miss Universe, Miss International, and Miss Earth, it is one of the Big Four beauty pageants.