Kimberly Guilfoyle, American lawyer and journalist
Kimberly Ann Guilfoyle ( GIL-foyl; born March 9, 1969) is an American television news personality who also served as an advisor to the 45th President of the United States, Donald Trump.

Guilfoyle studied at University of California, Davis, and the University of San Francisco, and was a prosecuting attorney in San Francisco and Los Angeles, California. She was an assistant district attorney in San Francisco from 2000 to 2004. Guilfoyle married Democratic politician and future California governor Gavin Newsom and was First Lady of San Francisco during Newsom's first two years as mayor of that city. She is a member of the Republican Party and has been the girlfriend of Donald Trump Jr. since 2018.

She worked at Fox News from 2006 to 2018 and co-hosted The Five on the network. She later joined America First Policies, a pro-Trump super PAC, to campaign for Republicans in the 2018 midterm elections.