Olga Romanova may refer to:

Grand Duchess Olga Pavlovna of Russia (1792–1795), daughter of Paul I of Russia Grand Duchess Olga Nikolaevna of Russia (1895–1918), daughter of Nicholas II of Russia Grand Duchess Olga Alexandrovna of Russia (1882–1960), daughter of Alexander III of Russia Olga Nikolaevna of Russia (1822–1892), daughter of Nicholas I of Russia Olga Constantinovna of Russia (1851–1926), granddaughter of Nicholas I of Russia Grand Duchess Olga Feodorovna of Russia (1839–1891), daughter-in-law of Nicholas I of Russia Olga Romanova (athlete) (born 1980), Russian long-distance runner Olga "Dark Princess" Romanova, former lead singer of the Gothic metal band Dark Princess Victim in the Moscow theater hostage crisis Olga Romanova (journalist) (born 1966), television and newspaper journalist, opposition activist Princess Olga Andreevna Romanoff