Las Animas is the statutory city that is the county seat, the most populous community, and the only incorporated municipality in Bent County, Colorado, United States. The city population was 2,300 at the 2020 United States Census. Las Animas is located on the Arkansas River, just west of its confluence with the Purgatoire River, in southeast Colorado east of Pueblo, near the historic Bent's Fort.

Bent County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 5,650. The county seat and only incorporated municipality is Las Animas. The county is named in honor of frontier trader William Bent.