The 2005 U-18 Junior World Cup was an ice hockey tournament held in Břeclav, Czech Republic and Piešťany, Slovakia between August 9, 2005 and August 14, 2005. The venues used for the tournament were Zimní Stadion in Břeclav and Zimny Stadion in Piešťany. Canada defeated the Czech Republic 5-3 in the final to claim the gold medal, while Finland defeated Russia to capture the bronze medal.