New York State Route 38A (NY 38A) is a north–south state highway located within Onondaga and Cayuga Counties in central New York in the United States. The southern terminus of the route is at an intersection with NY 38 in the village of Moravia. Its northern terminus is at a junction with U.S. Route 20 (US 20) and NY 5 in downtown Auburn. Much of NY 38A runs through rural, undeveloped areas situated between Owasco Lake and Skaneateles Lake.