This is a list of professional leagues playing in North America during the 2017-18 hockey season.
- 2017-18 AHL Season
- 2017-18 ECHL Season
- 2017-18 Southern Professional Hockey League Season
- 2017-18 FHL Season
- 2017-18 LNAH Season
- The International Developmental Hockey League is a proposed senior level league that was announced to begin play in the fall of 2017. The league is intended to help players aged 20 to 23 further develop their skills to move to the next level whether it be NCAA, ACHA or minor league hockey. The league is aligned with the Federal Hockey League. The ownership group behind the league purchased the Watertown Wolves franchise in the FHL in June of 2017. By early August the league had announced that it was delaying the start of play until October of 2018.