Barbara Boxer

Democratic

Opponents (Received at least 1% of vote)

Carly Fiorina

Republican • 2010 General

Gail K. Lightfoot

Libertarian • 2010 General

Duane Roberts

Green • 2010 General

Edward C. Noonan

American Independent • 2010 General

Marsha Feinland

Peace and Freedom • 2010 General

Brian Quintana

Democratic • 2010 Democratic Primary

Robert M. "Mickey" Kaus

Democratic • 2010 Democratic Primary

Bill Jones

Republican • 2004 General

James P. Gray

Libertarian • 2004 General

Ted Brown

Libertarian • 1998 General

Timothy R. Erich

Reform • 1998 General

Matt Fong

Republican • 1998 Primary

Darrell Issa

Republican • 1998 Primary

Frank D. Riggs

Republican • 1998 Primary

John Pinkerton

Democratic • 1998 Primary

John M. Brown

Republican • 1998 Primary