Gwayasdums is a village of the Kwakwaka'wakw peoples on the west side of Gilford Island in the Johnstone Strait region of the Central Coast of British Columbia, Canada. The village, located on Retreat Pass, is on Gwayasdums Indian Reserve No. 1. Other spellings of the name are Kwaustums and gwa'yasdams and Gwa'yasdams and Gwa’yasdams.