[1][2] Division III represents the sixth tier of the World Junior Ice Hockey Championships.

The winners – Turkey – were promoted to Division II B for the 2018 tournament.

Chinese Taipei returned after a five-year absence.

With an increase of teams for 2018, the two bottom-placed teams, South Africa and Chinese Taipei, were afterwards moved to a Division III Qualification tournament.

The best two ranked teams from each group of the preliminary round advance to the semi-finals, while the bottom two teams from both groups advance to the 5th–8th place playoffs.