Helle Sofie Sagøy (born 19 January 1998) is a Norwegian para-badminton player.

She is a Paralympic bronze medallist, four-time world champion and five-time European champion, with one European Para Championships title and four European Championships titles.

Sagøy was born without her right lower leg and has used a prosthetic all her life.

[1][2] She was awarded the BWF Para-Badminton Player of the Year in 2015 after winning two gold medals at the 2015 World Championships.

[4][5][6] She won the bronze medal in the women's single event at the 2024 Summer Paralympics, where she became the first Norwegian to medal in para-badminton at the Paralympic Games.