Onaway is a city in Presque Isle County in the U.S. state of Michigan. The population was 933 at the 2000 census. Onaway is the Sturgeon Capital of Michigan.
The nearest commercial airports to Onaway are Alpena County Regional Airport, Cherry Capital Airport (Traverse City) and Pellston Airport.
According to the United States Census Bureau, the city has a total area of 1.7 square miles (4.4 km²), all land.