List of Famous people who are 51

Alonzo Harding Mourning Jr. is an American professional basketball executive and former player. Mourning played most of his 15-year National Basketball Association (NBA) career for the Miami Heat. Since June 2009, Mourning has served as Vice President of Player Programs and Development for the Heat.

Fabrizio Vidale is an Italian actor and voice actor.

Laurent Ottoz is an Italian hurdler. He won four medals, at senior level, at international athletics competitions.

Moon Kook-jin, also known as Justin Moon, is a Korean American businessman. He is the son of Sun Myung Moon, the founder of the Unification Church. He is the founder and owner of Kahr Arms, an American small arms manufacturer and chair of the Sun Moon Education Foundation.

Alla Kliouka is a Belarusian- Russian actress best known for her role as Svetlana Kirilenko on the HBO TV series The Sopranos. She was previously married to Ken Schaffer and is now married to Russian film director and screenwriter Vladimir Morozov. She has two children, Ivan Morozov and Kibo Schaffer.