Coxim Atlético Clube, commonly known as Coxim, is a Brazilian football team based in Coxim, Mato Grosso do Sul state. They won the Campeonato Sul-Mato-Grossense once and competed in the Copa do Brasil once.
The club was founded on January 20, 2002. Coxim won the Campeonato Sul-Mato-Grossense in 2006. They competed in the Copa do Brasil in 2007, when they were eliminated in the First Stage by Atlético Parananense.