The 2017 IIHF Inline Hockey World Championship Division I was an international inline hockey tournament run by the International Ice Hockey Federation. The Division I tournament ran alongside the 2017 IIHF Inline Hockey World Championship tournament and took place between 25 June and 1 July 2017 in Bratislava, Slovakia at the Ondrej Nepela Arena Rink 2 and Ondrej Nepela Arena. The tournament was won by Slovenia who upon winning gained promotion to the 2019 IIHF Inline Hockey World Championship. While New Zealand and Brazil were relegated to the Qualifications after losing their placement round games along with Hungary who lost the relegation game against Argentina.