Kristin Thorleifsdóttir (born 13 January 1998) is a Swedish female handballer for HH Elite and the Swedish national team. Thorleifsdóttir represented Sweden at the 2017 Women's U-19 European Handball Championship, placing 9th and at the 2018 Women's Junior World Handball Championship, placing 12th. She also represented Sweden at the 2020 European Women's Handball Championship.