He was 76.
According to a family spokesperson, Alan's wife, Suzanne Osmond, and their eight sons were with him at his home in Lehi, Utah, at the time of his death on Monday.
Prior to his passing, Alan used a wheelchair and spent a week in intensive care before returning home Thursday on hospice.
A talented songwriter and performer, Alan helped write some of the Osmond Brothers' biggest hits, including One Bad Apple, Crazy Horses and Are You Up There?
Born in Ogden, Utah, on June 22, 1949 and raised in a Mormon household, Alan Osmond's storied musical career began in the 1950s, when he and his brothers Wayne, Merrill and Jay formed a barbershop quartet. He was the oldest of the performing group and the third oldest of his siblings.
In 1987, Alan Osmond was diagnosed with multiple sclerosis. It caused him to retire from performing with his family.
His brother Wayne Osmond died aged 73 in 2025 after having a stroke.
"He is my hero," Doug Osmond, one of Alan's sons, told The Associated Press over the phone Tuesday.
"I've never met anyone more positive in my life. I never once heard him complain, not once. He would say, 'I may have MS, but MS does not have me.' That was his motto and he always was worried about everyone else. ... Family always took priority and his faith was in everything he did."
In a statement on social media Tuesday, Donny Osmond called Alan Osmond his "protector" and "guide," saying he was "the one who quietly carried so much responsibility so the rest of us could shine".
Merrill Osmond also paid tribute in a social media post, explaining that he saw his ailing brother two days prior.
"We talked as brothers do, heart to heart. He was struggling, but when I shared a joke or two, he found the strength to chuckle … and then he smiled," he wrote on Facebook.
"I need you to know this … he has not left me. I have felt him. I have felt his quiet encouragement telling me to keep going … to keep building faith … to keep sharing light."
Alan is survived by his wife, Suzanne; his eight sons; 30 grandchildren; five great-grandchildren; brothers Virl, Tom, Merrill, Jay, Donny and Jimmy; and sister Marie.
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