In the early morning of May 15, Beijing time, Costa Rica officially announced the 23-man roster for the World Cup.

The specific list is as follows:
Goalkeepers: Navas (Real Madrid), Pemberton (Alajuerense), Morella (Girediano)
Defenders: Gamboa (Celtic), Smith (Norrköping), Matarita (New York City), Oviedo (Sunderland), Duarte (Espanyol), Gonzalez (Bologna), Calvo (Minnesota United), Voston (Vancouver White hat), Acosta (Rio Negro Hawks)
Midfielders: Guzman (Portland Lumberjacks), Tejeda (Lausanne Sport), Borges (A Coruña), Asofefef (Cirediano), Wallace (New York City), Ruiz (Portuguese Sports), Corindrese (Saprisa Sport), Bolanos (Saprisa Sport)
Forwards: Benegas (Sapritsa Sport), Joel Campbell (Real Betis), Ureña (Los Angeles FC)