The defender joins from BK Hacken, where she had been playing since July 2022, gaining Champions League experience with the Damallsvenskan side.
On the international stage, Anna was part of the Sweden squad that finished third at the 2023 FIFA Women’s World Cup.
Anna Sandberg: “I’m very happy and grateful to sign for this big club, Manchester United.
"I hope I can help our team with my qualities and deliver many winning moments for our fantastic fans.”
Marc Skinner: “We are delighted to have Anna join our Manchester United family. She is a talented young player, who already has a wealth of international and Champions League experience.