The Local Organizing Committee announced the referee assignments for the games on Tuesday, June 7th:
USA vs. Costa Rica
Referee: Roddy Zambrano (ECU)
Assistant Referee 1: Byron Romero (ECU)
Assistant Referee 2: Luis Vera (ECU)
Fourth Official: John Pitti (PAN)
Assistant Referee Sub: Gabriel Victoria (PAN)
Colombia vs. Paraguay
Referee: Heber Lopes (BRA)
Assistant Referee 1: Kleber Lucio Gil (BRA)
Assistant Referee 2: Bruno Boschilia (BRA)
Fourth Official: Julio Bascuñan (CHI)
Assistant Referee Sub: Christian Shiemann (CHI)
COL