Ragnheiður Sara Sigmundsdóttir (born 12 September 1992) is an Icelandic weightlifter and CrossFit athlete[4][5] known for her third-place finishes at the 2015 and 2016 CrossFit Games[6][7] and her first-place finishes at the 2015 and 2016 Meridian Regionals and the 2017 Central Regionals.

[8] She was featured in 2017 documentary 'Fittest on Earth: A Decade of Fitness'.

[9] She competed at the 2015 World Weightlifting Championships in the 75 kg category.

[10] Sigmundsdóttir missed the 2021 CrossFit Games after injuring her knee in training.

This biographical article relating to weightlifting in Iceland is a stub.