Nelson Lagoon Airport (IATA: NLG, ICAO: PAOU, FAA LID: OUL, formerly Z73) is a state-owned, public-use airport located one nautical mile (1.85 km) east of the central business district of Nelson Lagoon,[1] in the Aleutians East Borough of the U.S. state of Alaska.

Scheduled airline service to Cold Bay Airport is provided by Peninsula Airways (PenAir).

[2] Nelson Lagoon Airport is included in the FAA's National Plan of Integrated Airport Systems (2009-2013), which categorizes it as a general aviation facility.

Nelson Lagoon Airport has one runway designated 8/26 with a gravel surface measuring 4,000 by 75 feet (1,219 x 23 m).

For the 12-month period ending December 31, 2005, the airport had 302 aircraft operations, an average of 25 per month: 68% air taxi and 32% general aviation.