Joiner is a city in Mississippi County, Arkansas, United States.

Conflicting histories point to Joiner originally being settled in the 1880's by two different men.

[6] At some point prior to 1903, executives from the St. Louis & San Francisco Railway traveled to Mississippi County and met with Rufus Joiner.

"After an evening of dinner and entertainment" the railway executives decided to construct a depot in the vicinity of the Joiner household and name it after the family.

Interstate 55 passes less than 2 miles (3 km) west of Joiner, with access from Exit 34 (Arkansas Highway 118).

According to the United States Census Bureau, the city has a total area of 0.6 square miles (1.6 km2), all land.

[1] As of the 2020 United States Census, there were 498 people, 227 households, and 100 families residing in the city.