Amy Osmond Cook (born November 26, 1976) is the oldest daughter of Wayne Osmond, second oldest of the original Osmond Brothers singers and fourth oldest of the nine Osmond children. She is a published author of Why They Believe and a published co-author of two books – Full Bloom: Cultivating Success and Hope After Divorce. She is additionally the CEO of Osmond Marketing, which she founded in 2009 with her husband, Jeff - the company's CFO.

In 1994, Osmond Cook was crowned America's Junior Miss. She has appeared in print publications such as People and USA Today and on television programmes such as Good Morning America . Osmond Cook graduated from the University of Utah in 2010 with a Ph.D. in Communication and Organizational Rhetoric. She previously attended Brigham Young University, where she earned both bachelor's and master's degrees in English, Rhetoric and Composition. In 2016, Osmond Cook earned a ranking as a top 40 CEO under 40 in the publication Utah Valley 360 for her work as CEO of Osmond Marketing.

Osmond Cook is married to Jeff Cook and together they have three daughters.

Osmond Cook additionally has two additional children from a previous marriage.