Ryan John Seacrest (born December 24, 1974) is an American radio personality, television host, and producer who is best known for hosting the Fox reality television singing competition American Idol since 2002 and his syndicated radio program On Air with Ryan Seacrest since 2004.

He hosted the Disney Parks Christmas Day Parade special from 2005 to 2009. In 2000, he hosted Disneyland 2000: 45 Years of Magic, a documentary special about the history of Disneyland.