Rostovsky

Rostovsky (masculine), Rostovskaya (feminine), or Rostovskoye (neuter) mey refer tae:
Alexei Lobanov-Rostovsky (1824–1896), Roushie statesman
Rostovsky Destrict, a destrict o Yaroslavl Oblast, Roushie
Rostov Oblast (Rostovskaya oblast), a federal subject o Roushie