The 2018 CONCACAF Women's Championship was an international women's football tournament held in the United States from 4–17 October 2018. The eight national teams involved in the tournament were required to register a squad of 20 players, including two goalkeepers. Only players in these squads were eligible to take part in the tournament. The provisional 35-player squad lists were announced on 10 September 2018. From the preliminary squad, the final list of 20 players per national team was submitted to CONCACAF 24 hours before each team's first match.