The 2018 IWRF World Championship was the 7th international championship for wheelchair rugby. It was held in Sydney, Australia at the State Sports Centre and Genea Netball Centre in Sydney Olympic Park from August 5 to August 10. The tournament was won by Japan, their first title.
The naming rights sponsor of the event was GIO. It was organised by Disability Sports Australia and the International Wheelchair Rugby Federation and was the biggest disability sporting event to be held in Sydney since the 2000 Paralympic Games. Matches were streamed.
Twelve teams contested the 2018 IWRF World Championship. The preliminary rounds consisted of a group stage where the teams were split into two leagues which were contested as a round-robin. This was then followed by a round of crossover matches that determined the semi-finalists.