Margareta Arvidsson (born 12 October 1947) is a Swedish actress, fashion model and beauty queen who was crowned as the 1966 Miss Universe at age 18.

[3] After her crowning, she walked to greet the audience, interviewed the pageant host, and posed for pictures with the runners-up, sitting on the throne.

In March 1999, Margareta Arvidsson was a guest of honor at the 50th Anniversary of the Miss Sweden Pageant.

[1][5] Arvidsson was married to Brazilian fashion photographer Otto Stupakoff for nine years and had two children with him.

[7] In May 2019, amid the 2020 United States presidential election, Arvidsson, who had become an Iowa resident, praised Democratic candidate and Project Angel Food founder Marianne Williamson as someone who could bring “consciousness” to the national debate, and similarly praised U.S.