Scott Lee Peterson (born October 24, 1972) is an American who was convicted of the murder of his wife, Laci Peterson, who was eight months pregnant. Peterson's case dominated the American media for many months.

In 2005, Peterson was sentenced to death by lethal injection. He remains on death row in San Quentin State Prison while his case is on appeal to the Supreme Court of California. He maintains his innocence.

Peterson was born in San Diego, California to Lee Arthur Peterson (born 9 May 1939) and his wife, the former Jacqueline Helen Latham (born 16 September 1943). Peterson's father worked for a trucking company, and later owned a crate-packaging business. His mother owned a boutique in La Jolla, California, called The Put On.