Aaron Ray Long (born October 12, 1992) is an American professional soccer player who plays as a center-back for Major League Soccer club Los Angeles FC.
Born in Oak Hills, California, Long played four seasons of college soccer for the UC Riverside Highlanders before being drafted in the second round of the 2014 MLS SuperDraft by the Portland Timbers with the 36th overall pick. After loan spells with USL Pro clubs Sacramento Republic and Orange County Blues, Long was released by the Timbers and subsequently signed by rivals Seattle Sounders FC.
Long was part of the Sounders organization for two seasons. After not making an appearance for the senior team, Long signed a contract with their reserve side, Seattle Sounders 2.