West Memphis is the largest city in Crittenden County, Arkansas, United States. The population was 26,245 at the 2010 census, ranking it as the state's 18th largest city, behind Bella Vista. It is part of the Memphis metropolitan area, and is located directly across the Mississippi River from Memphis, Tennessee.

Crittenden County is a county located in the U.S. state of Arkansas. As of the 2020 census, the population was 48,163. The county seat is Marion, and the largest city is West Memphis.