An initial list of 35 players ("provisional list") for each participating nation was published by CONCACAF on 10 June 2015.[1] A "final list" containing 23 players for each participating nation was published by CONCACAF on 23 June 2015.[2]
Three of the players named in the final list had to be goalkeepers.[3] The players named in the final list had to have shirts numbered 1 to 23; number 1 was reserved for a goalkeeper.
Teams that qualified for the knockout stage could replace up to six players. The replacements had to have been named on the provisional list and were given a shirt numbered between 24 and 29.[3]