Fort San is a resort village in the Canadian province of Saskatchewan within Census Division No. 6. It is on the shores of Echo Lake in the Rural Municipality of North Qu'Appelle No. 187. It is 3 km west of Fort Qu'Appelle and approximately 77 km northeast of Regina.
Prior to becoming a resort village, Fort San was originally a sanatorium. Following the closure of the sanatorium, the area was first repurposed as a venue to house the Saskatchewan Summer School of the Arts. The resort village now houses the Echo Valley Conference Centre.