Ustia

Ustia may refer to:

Geography

 * Ustia, Dubăsari, a commune in Dubăsari district, Moldova
 * Ustia, Glodeni, a commune in Glodeni district, Moldova
 * Ustia, Ukraine, a village in Ternopil Oblast
 * Ustia, a river in Ukraine, a tributary of the Horyn
 * Ostiano, spelled Üstià in Brescian, a commune in Cremona, Italy

Other uses

 * Ustia (therapsid), an extinct genus of biarmosuchian therapsids
 * US Travel Insurance Association (UStiA)