Quinlan is an unincorporated community in Woodward County, Oklahoma, United States. As of the 2020 census, Quinlan had a population of 28. It is located on what was the Atchison, Topeka and Santa Fe Railroad, 9 miles (14 km) east of Mooreland. Quinlan began as a small agricultural community, and is old enough to appear on a 1911 Rand McNally map of the county.