Kirby is an unincorporated census-designated place in northern Pike County, Arkansas, United States.

The community lies on U.S. Route 70; it is located halfway between Daisy and Glenwood.

Per the 2020 census, the population was 721.

[3] Public education for elementary and secondary school students is provided by the Kirby School District, which includes: The schools' mascot and athletic teams are the Trojans with maroon and gray as the school colors.

This article about a location in Pike County, Arkansas is a stub.