Defunct sports clubs and teams in California

The Sacramento Monarchs were a basketball team based in Sacramento, California. They played in the Women's National Basketball Association (WNBA) from 1997 until folding on November 20, 2009. They played their home games at ARCO Arena.

The San Diego Mariners were an ice hockey team based in San Diego that played in the World Hockey Association. They played from 1974 to 1977. Their home ice was San Diego Sports Arena. Previous to being in San Diego, the team was known as the New York Raiders, New York Golden Blades, and Jersey Knights.

The Oakland Oaks were a Oakland, California-based minor professional ice hockey team that played in the Pacific Coast Hockey League from the 1944–45 season into the 1949–50 season. The team did not complete its final season, folding in December 1949. The team played its home games at Winterland Arena in San Francisco, a venue it shared with the San Francisco Shamrocks.

The Los Angeles Wolves were a United States professional soccer team that played for two seasons. In 1967 they played in the United Soccer Association, finishing as champions, and in 1968 they were founding members of the North American Soccer League.

The Hollywood Wolves were a Los Angeles-based minor-league hockey team that played in the Southern California Hockey League (1941–1944) and the Pacific Coast Hockey League (1944–1950). The team defeated the Boston Olympics in 1944 for the championship of the Amateur Hockey Association of the United States, the first team to hold an American national championship in hockey.

The San Francisco Freedom was a professional cricket team that played for the United States Pro Cricket league. It was one of eight founding teams in the league in 2004. This was the only year that the team played as the league was disbanded following the season. The team won the Western Conference and went on to the final where they defeated Eastern Conference champions New Jersey Fire to win the inaugural, and only Pro Cricket title.

The San Jose Golddiggers were a professional women's team in Major League Volleyball from 1987-89. The team played its home matches at the San Jose Civic Auditorium (capacity 2,200 for volleyball).

The San Francisco Seals were a minor league hockey team which played in the Western Hockey League from 1961 to 1967.

The San Diego Gulls were a professional ice hockey team in the West Coast Hockey League (WCHL) and later in the ECHL. The team, the third to use the Gulls nickname, was founded in 1995 immediately upon the departure of the IHL team of the same name. The Gulls played at the San Diego Sports Arena.

The Los Angeles Sharks were an ice hockey team that played in the World Hockey Association from 1972 to 1974. Their primary home arena was the Los Angeles Memorial Sports Arena but they sometimes played at the Long Beach Sports Arena when the Sports Arena had other contractual obligations. After the 1973–74 season, the franchise moved to Detroit to become the Michigan Stags and again mid-season to Baltimore to become the Baltimore Blades.