Robert Earl Filner is an American former politician who was the 35th mayor of San Diego from December 2012 through August 2013, when he resigned amid multiple allegations of sexual harassment. He later pleaded guilty to state charges of false imprisonment and battery. He is a member of the Democratic Party.

The mayor of the City of San Diego is the official head and chief executive officer of the U.S. city of San Diego, California. The mayor has the duty to enforce and execute the laws enacted by the San Diego City Council, the legislative branch. The mayor serves a four-year term and is limited to two successive terms.