Kathryn Nesbitt

Kathryn Nesbitt (born November 7, 1988) is an American soccer assistant referee who has been on the FIFA International Referees List since 2016 and, since 2022, as a video assistant referee. She has worked three FIFA World Cups, and became the first woman to officiate a men's World Cup knockout round in 2022. Career Nesbitt was born in Rochester, New York, in November 1988, later moving to Philadelphia, Pennsylvania. She is an analytical chemist, graduating from St. John Fisher University and subsequently from the University of Pittsburgh. Nesbitt also taught at Towson University before resigning to pursue a professional career in refereeing in 2019 in the weeks leading up to the 2019 FIFA Women's World Cup.

Nesbitt took part in her first professional match in April 2013 in an NWSL game. As an assistant referee, she has officiated several friendlies and other matches at international tournaments, including at the 2021 CONCACAF Gold Cup and the 2022 CONCACAF W Championship. In American soccer, Nesbitt also oversaw the MLS is Back Tournament final, the 2020 MLS Cup, and was named MLS's Best Assistant Referee that same year.

In November–December 2022, Nesbitt served as an assistant referee at that year's FIFA World Cup in Qatar, making history by becoming the first female referee to officiate in a men's knockout stage game of the tournament. She was also appointed as a reserve assistant referee at the final match between Argentina and France.

Nesbitt was appointed in April 2026 to the 2026 FIFA World Cup as an assistant referee of the American representatives, which as in the 2023 FIFA Women's World Cup, was led by Penso and with assistant referee Mayo. This made them the first all-female and all-American crew of officials at any men's FIFA World Cup.

Personal life Nesbitt was a figure skater during her school years and played volleyball while in college.