Atlin Airport (ICAO: CYSQ) is located 1 nautical mile (1.9 km; 1.2 mi) northeast of Atlin, British Columbia, Canada.

The airport is classified as an airport of entry by Nav Canada. Due to the remote location of Atlin, the Atlin Royal Canadian Mounted Police (RCMP) detachment performs customs clearance (as per Section 2(1) of the Customs Act) on behalf of the Canada Border Services Agency on a call-out basis. RCMP officers at Atlin Airport can handle general aviation aircraft only, with no more than 15 passengers aboard.