Katrina Anne Foley (born July 5, 1967) is an American politician and attorney currently serving as the member and Vice Chair of the Orange County Board of Supervisors from the 5th district, assuming office as supervisor on March 26, 2021.

[2] Prior to her victory in a March 9, 2021 special election, she served as Mayor of Costa Mesa, California, where she became the city's first directly elected mayor in 2018.

[3][4] She previously ran an unsuccessful bid for California's 37th State Senate district, placing 3rd in the 2020 primary election with 24.7% of the vote.

Her victory in a March 9, 2021 special election flip a seat in the Orange County Board of Supervisors, making her the second Democrat on the board, the other being Doug Chaffee.

She received a bachelor's degree in English and Women's Studies from UCLA and a Juris Doctor from Seattle University.