The 2015 IIHF U18 World Championship Division III was two international under-18 ice hockey tournaments organised by the International Ice Hockey Federation. The Division III A and Division III B tournaments represent the sixth and the seventh tier of the IIHF World U18 Championship.
The Division III A tournament was played in Taipei City, Taiwan, from 22 to 28 March 2015.
<section begin=Division III A/><section end=Division III A/>
<small>All times are local. (National Standard Time â UTC+8)</small>
The Division III B tournament was played in Auckland, New Zealand, from 17 to 19 March 2015.
<section begin=Division III B/><section end=Division III B/>
<small>All times are local. (New Zealand Daylight Time â UTC+13)</small>