The 2017 AFC U-20 Futsal Championship was the first edition of the AFC U-20 Futsal Championship, the biennial international futsal championship organised by the Asian Football Confederation (AFC) for the men's youth national teams of Asia. The tournament was hosted by Thailand between 16 and 26 May 2017. Iran and Thailand had signaled their intent to host the inaugural competition.
A total of 21 teams participated in the tournament. The 21 teams were divided into four groups (one with six teams and three with five teams), with the group winners and runners-up advancing to the quarter-finals.
The tournament served as qualifying for the futsal tournament at the 2018 Summer Youth Olympics in Buenos Aires, with the winner and the runner-up qualifying for the boys' tournament, to be represented by their under-18 representative teams.
Of the 47 AFC member associations, a total of 22 teams entered the competition. There was no qualification, and all entrants advanced to the final tournament. Saudi Arabia initially entered but decided to withdraw prior to the draw.
The matches were played at the Bangkok Arena and Indoor Stadium Huamark in Bangkok.
The draw for the final tournament was held on 30 March 2017, 15:00 ICT (), at the Grand Fourwings Convention Hotel in Bangkok. The 21 teams were drawn into one group of six teams (Group A) and three groups of five teams (Groups B, C and D), with the hosts Thailand automatically assigned to position A1 in the draw. As there were no previous editions, the teams were seeded according to the performances of their senior teams in the 2016 AFC Futsal Championship.
Players born after 1 January 1997 were eligible to compete in the tournament. Each team must register a squad of 14 players, minimum two of whom must be goalkeepers (Regulations Articles 27.1 and 27.2).
The top two teams of each group advanced to the quarter-finals.
Teams were ranked according to points (3 points for a win, 1 point for a draw, 0 points for a loss), and if tied on points, the following tiebreaking criteria were applied, in the order given, to determine the rankings (Regulations Article 10.5):
All times are local, ICT ().
In the knockout stage, extra time and penalty shoot-out were used to decide the winner if necessary, except for the third place match where penalty shoot-out (no extra time) was used to decide the winner if necessary (Regulations Articles 14.1 and 15.1).
Winners qualified for 2018 Summer Youth Olympics boys' futsal tournament, to be represented by their under-18 representative teams.
The following two teams from AFC qualified for the 2018 Summer Youth Olympics boys' futsal tournament.
The following awards were given at the conclusion of the tournament: