The only person who is gluten free and won an Oscar is Lady Gaga. Born Stefani Joanne Angelina Germanotta she adopted the name Lady Gaga as a tribute to Queen’s Radio Ga Ga.
She was nominated for an Oscar in 2016 for best original song “Till It Happens To You.” But she did not win.
However she came back in 2019 to win two Oscars. Best Original Song and Best Actress in the film “A Star Is Born”.
Lady Gaga is allergic to gluten and keeps a strict gluten free diet. She is the only gluten free Oscar winner.
