Ustia may refer to:
Geography
edit- 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
edit- Ustia (therapsid), an extinct genus of biarmosuchian therapsids
- US Travel Insurance Association (UStiA)