Amanda Randolph Hearst (born January 5, 1984), sometimes called Amanda Hearst Rønning, is an American model, socialite, and heiress of the Hearst family.

Amanda Hearst is the daughter of Anne Hearst, the niece of Patty Hearst, and the great-granddaughter of media mogul William Randolph Hearst. Her father, Richard McChesney, separated from her mother before Hearst's birth; she is the only child from the marriage. Hearst is also the stepdaughter of novelist Jay McInerney and a cousin of Lydia Hearst-Shaw.

Hearst attended the Chapin School in New York City and graduated from Choate Rosemary Hall, a boarding school. After a brief stint at Boston College, she dropped out to pursue modeling. She was eventually persuaded to return to school, and she attended Fordham University, graduating in 2008 with a B.A. in art history.

Hearst is the co-founder of Well/Beings, a grant-making nonprofit focused on environmental justice and conservation. Hearst also co-founded Maison de Mode, an online retail platform dedicated to sustainable fashion.

As a former IMG model, Hearst has appeared on the covers of Town & Country, International Harper’s Bazaar, Cosmopolitan, and other major magazines, and has been featured in Vanity Fair.

Amanda married Joachim Rønning on August 2, 2019. On June 4, 2022, she gave birth to their first child, a son named Haakon "Hawk" Hearst Rønning.