The US Adult Soccer Association is the governing body of adult soccer in the US. It is a National Organization affiliated with the United States Soccer Federation(USSF)and the only adult soccer member of that entity. USASA operates 54 national state associations through its local members and is the USSF affiliation for the PDL of the United Soccer Leagues (USL), the Men's Premier Soccer League, as well as several regional interstate soccer leagues. In addition, AYSO is an adult soccer member of USASA as AYSO continues its efforts to offer adult play among its parents, volunteers, and youth players who have advanced to adult age.

USASA stages national competitions for club teams, veteran's teams, and coed teams annually, as well as staging a national player development program. In addition, USASA fields men's amateur teams participating in the Lamar Hunt US Soccer Open Cup competition annually, both through its own member state associations and through the PDL teams from USL.