Fairdealing is an unincorporated community and census-designated place located in northeastern Ripley County in southeastern Missouri, United States. As of the 2010 census, the community had a population of 676. It is located along U.S. Route 160, about 16 miles (26 km) southwest of Poplar Bluff.
A post office has been in operation at Fairdealing since 1883. Several traditions attempt to explain the name.