AK-1, AK1 or AK 1 may refer to:
* , a 1903 cargo ship
*
Alaska Route 1
Alaska Route 1 (AK-1) is a state highway in the southern part of the U.S. state of Alaska. It runs from Homer northeast and east to Tok by way of Anchorage. It is one of two routes in Alaska to contain significant portions of freeway: the Se ...
, a state highway
*
AK1 (gene), which encodes Adenylate kinase 1
*
Aleksandrov-Kalinin AK-1, a 1920s Soviet prototype aeroplane
*
Butte Municipal Airport, FAA location identifier AK1
{{Letter–number combination disambiguation