Ustya

Ustya may refer to:


 * Ustya, Russia, alternative name of several rural localities in Moscow Oblast, Russia
 * Ustya (river), a stream in Arkhangelsk Oblast of Russia
 * Ustya, a diminutive of the Russian female first name Avgusta
 * Ustya, a diminutive of the Russian male first name Avgustin
 * Ustya, a diminutive of the Russian female first name Avgustina