Porkhovsky

Porkhovsky (masculine), Porkhovskaya (feminine), or Porkhovskoye (neuter) may refer to:
 * Porkhovsky District, a district of Pskov Oblast, Russia
 * Porkhovsky (family), a princely family of Rurikid stock
 * Porkhovskoye, a rural locality (a settlement) in Kaliningrad Oblast, Russia