Donna Hazouri Deegan is an American politician serving as the 9th mayor of Jacksonville, Florida. A member of the Democratic Party, she was elected mayor in the 2023 election, defeating Republican Daniel Davis in the May 16 runoff election. She is the first woman to serve as the mayor of Jacksonville.

The 2023 Jacksonville mayoral election was held on March 21, 2023, with a runoff held on May 16. Incumbent Republican mayor Lenny Curry was term-limited and could not seek a third term in office. Seven candidates filed to run, including four Republicans, two Democrats, and an independent. Jacksonville mayoral elections use a blanket primary system where all candidates, regardless of party affiliation, appear on the same ballot.