The 2017 World Junior Ice Hockey Championship Division III was an international ice hockey tournament organized by the International Ice Hockey Federation. It was played in Dunedin, New Zealand, from 16 to 22 January 2017.[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.