Diane Brooks Dixon is an American politician serving in the California State Assembly.

[1] She was a former mayor and city councilwoman of Newport Beach.

[2] In 2020, Dixon ran for the California State Assembly against first-term Democrat Cottie Petrie-Norris.

Dixon lost the general election by a very narrow margin.

In 2022, redistricting lead Petrie-Norris to run in a neighboring district.