The following is a list of transfers for the 2012 USL Pro season. The transactions begin at the conclusion of the 2011 USL Pro season and end after the championship match of the 2012 season.
The 2011 USL Pro season was the 25th season of third-division soccer in the United States, and was the inaugural season of the United Soccer Leagues' (USL) new professional competition. The league is effectively a combination of the USL's former First and Second Divisions.
The 2012 Charleston Battery season was the club's twentieth season of existence. It is the Battery's third consecutive year in the third tier of American soccer, playing in the USL Professional Division for their second season.
The 2012 Orlando City SC season was the club's second season of existence. It is City's second consecutive year in the third tier of American soccer, playing in the USL Professional Division for their second season. In the 2011 season, Orlando City won the regular season and the playoffs. As of the 1 March 2012, there are approximately 3,500 season ticket holders for the 2012 season. They ended the season with winning the league title for the second consecutive year, but they lost in the Playoffs to the Wilmington Hammerheads in the Semi-final 3–4.
The 2012 Richmond Kickers season was the club's twentieth season of existence. It was the Kicker's sixth-consecutive year in the third-tier of American soccer, playing in the USL Professional Division for their second season.
The 2012 Rochester Rhinos season will be the club's seventeenth season of existence. It is the Rhinos' second-consecutive year in the third tier of American soccer, playing in the USL Professional Division for their second season.
The 2012 USL Pro season was the 26th season of third-division soccer in the United States, and the second season of USL Pro. The season started with 11 teams. FC New York self-relegated to the National Premier Soccer League prior to the release of the schedule. The final weekend of the regular season was August 17–19.
The 2012 Harrisburg City Islanders season was the club's ninth season of competitive soccer - its ninth season in the third division of American soccer and its second season in the USL Professional Division; the City Islanders being one of the original 10 founder-members.
The 2013 Richmond Kickers season was the soccer club's twenty-first season of existence. It was the Kickers' seventh-consecutive year in the third-tier of American soccer, playing in the USL Professional Division for their third season. The Kickers finished the season atop the USL Pro table, but lost in the playoff semifinals.
The 2013 Orlando City Soccer Club season was the club's third season of existence in Orlando. Orlando finished second in the overall regular-season table. They were declared 2013 USL Pro Champions after beating Charlotte Eagles 7–4 in front of 20,886 fans at the Fifth Third Bank Field at the Citrus Bowl.
The 2013 USL Pro season was the 27th season of third-division soccer in the United States, and is the third season of the United Soccer Leagues' (USL) PRO professional competition. The number of teams increased from eleven to thirteen with Phoenix FC and VSI Tampa Bay FC joining the league as expansion franchises.
The 2013 season is the Harrisburg City Islanders's 10th season of competitive soccer - its tenth season in the third division of American soccer and its third season in USL Pro since the league was first created with the City Islanders as one of the original 10 founder-members.
The 2014 Pittsburgh Riverhounds season is the club's fifteenth season of existence. It is the Riverhounds' fourth season playing in the USL Professional Division. It is the second season the Riverhounds played at Highmark Stadium, a 3,500 capacity soccer specific stadium.
The 2014 USL Pro season was the fourth USL Pro season and the 28th season of third-division soccer in the United States.
The 2014 Orlando City SC season was the club's fourth season of existence in Orlando, and their final season playing in the lower divisions. A Major League Soccer expansion franchise with the same name began play in 2015. The team entered the season as the defending USL Pro champions, beating Charlotte Eagles in the Championship Game after finishing second in the regular season.
The 2014 Richmond Kickers season was the club's twenty-second season of existence, seventh-consecutive year in the third-tier of American soccer, and their third-consecutive season playing in USL Pro. For the second season, the Kickers reached the semifinals of the USL Pro playoffs, before losing to the Harrisburg City Islanders. The Kickers finished shy of defending their regular season title, finishing in fourth place in the league table. In the Open Cup, the Kickers were eliminated in the fourth round proper by Major League Soccer outfit, New England Revolution.
The 2014 Dayton Dutch Lions season is the club's fifth season of existence, and fourth consecutive season of playing in the third division of American soccer. The club will be playing in the USL Pro.
The Eastern Conference is one of two conferences in USL Championship soccer.
The 2016 Pittsburgh Riverhounds season is the club's seventeenth season of existence. It is the Riverhounds' six season playing in the United Soccer League, and the club's fourth season hosting matches at soccer-specific Highmark Stadium.