US acting legend Redford, known for roles in Butch Cassidy and the Sundance Kid and The Sting, has died at the age of 89.
In a statement, his publicist Cindi Berger, said: Robert Redford passed away on September 16 at his home at Sundance in the mountains of Utah - the place he loved, surrounded by those he loved. He will be missed greatly. The family requests privacy.
The Oscar-winning star of Out of Africa was also known for founding the Sundance Film Festival in Utah.
He won an Academy Award for best director in 1980 for Ordinary People. Redford announced he was retiring from acting in 2018, having said in 2016 that he was tired of acting.
Redford's other roles included The Candidate, All the President's Men, and Indecent Proposal. It was Butch Cassidy, a Western film about two risk-taking bank robbers, that made Redford an overnight star, though he was never comfortable with his tag as a good-looking heartthrob.
Part of the New Hollywood film movement of the late 1960s, he teamed up again with fellow star Paul Newman for the classic crime caper The Sting in 1973. Despite their long-running friendship, the pair never appeared on screen together again.
Redford's biggest contribution to film was arguably the Sundance Film Festival, which boosted independent film-making in the late 80s and early 90s.
He leaves behind his wife Sibylle Szaggars, who he married in 2009, along with his two daughters, Shauna and Amy. He had previously been married to Lola Van Wagenen, with whom he had four children. Redford experienced great personal loss, including the death of one child at two months and another son, James, from cancer in 2020.