The 2012–13 San Diego Sockers season was the fourth season of the San Diego Sockers professional indoor soccer club as a franchise in the Professional Arena Soccer League. The Sockers, a Pacific Division team, played their home games in the Valley View Casino Center in San Diego, California. General manager John Kentera and head coach Phil Salvagio led the Sockers to the best regular season record in the PASL and their fourth consecutive league championship.

The Sockers were very successful in the regular season, finishing 15–1 and clinching the Western Division title for the fourth consecutive season. They began the season with a 37-game win streak, one of the best in professional sports history, and the last three PASL league championships. The team's win over Toros Mexico on November 23, 2012, gave the Sockers the new United States record for consecutive wins by a professional soccer team. The team remained undefeated at home but the streak was snapped after 48 games by a 6–5 overtime road loss to longtime rival Dallas Sidekicks on January 27, 2013.

San Diego also performed well at the box office, placing second in the league (behind only Dallas) in overage home attendance. The team advanced to the postseason and earned the right to play for the Ron Newman Cup in the PASL National Championship. The Sockers defeated the Turlock Express in two straight games, winning the Pacific Divisional Finals and advancing to the Semi-Finals in San Diego where they defeated the Las Vegas Legends in overtime. The team defeated the Detroit Waza 8–6 in regulation for the league championship on March 11, 2013.

The Sockers also participated in the 2012–13 United States Open Cup for Arena Soccer. They defeated the Arizona Storm in the Wild Card round, the Anaheim Bolts in the Round of 16, the Turlock Express in the Quarter-Finals, and the Las Vegas Legends in the Semi-Finals before losing 6–7 to the Detroit Waza in the Championship game on March 2, 2013.

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