Arbyrd is a small town in southeast Dunklin County, Missouri, United States. The population was 404 at the 2020 census. The town was officially incorporated in 1919.

Dunklin County is located in the Bootheel of the U.S. state of Missouri. As of the 2020 census, the population was 28,283. The largest city and county seat is Kennett. The county was officially organized on February 14, 1845, and is named in honor of Daniel Dunklin, a Governor of Missouri who died the year before the county was organized.