Mark Lowell Ordesky (born April 22, 1963) is an American film producer, television producer and studio executive. He is best known for executive producing the Oscar winning The Lord of the Rings film trilogy.
Ordesky was born in Sacramento County, California. In 1985, he graduated from the USC Annenberg School for Communication with a degree in print journalism. He was editor of the university newspaper, the Daily Trojan, and joined the Chi Phi Fraternity. In 2008, he was honored with Chi Phi's Walter Cronkite Congressional Award.
Ordesky supports the Anti-Defamation League as a regional board member and through its Entertainment Industry Committee. He is also a board member of the American Cinematheque and the Chi Phi Educational Trust Board of Trustees, as well as a member of the Academy of Motion Picture Arts and Sciences, Producers Guild of America, and Academy of Television Arts & Sciences.
In 2004, he married Rachel O'Connell of Wellington, New Zealand.