Associazione Sportiva Atletico Calcio was an Italian football club based in Cagliari and Villasor, Sardinia.
The team has played 10 seasons in Serie D: from 1996–97 to 1999-2000 and from 2001–02 to 2006-07 when it was relegated to Eccellenza.
In the summer 2008, after its 11th place in Eccellenza Sardinia, Atletico Elmas merged with Decimese Aurora & Decimo founding A.S.D.
Atletico Decimomannu was merged with Polisportiva Elmas Elmas (club of Prima Categoria Sardinia) founding A.S.D.
In the summer 2012, after a 15th place, it didn't join 2012-13 Eccellenza and was relegated to Promozione.