The 2017 King's Cup was an international football tournament held in Thailand from 14 to 16 July 2017. The 4 national teams involved in the tournament were required to register a squad of 23 players.
Players marked (c) were named as captain for their national squad. Number of caps counts until the start of the tournament, including all FIFA-recognized pre-tournament friendlies. Player's age is their age on the opening day of the tournament.