Costești (Romanian pronunciation: [kosˈteʃtʲ]) is a town in Argeș County, Muntenia, Romania. The population as of 2021 was 9,460. The town administers six villages: Broșteni, Lăceni, Pârvu Roșu, Podu Broșteni, Smei, and Stârci.
The 1930 Costești wooden church fire took place here.