Namesakes
Fictional Characters from Books:
1 character
Natasha Romanova 1964 Tales of Suspense 
Fictional Characters from Movies:
1 hero
Natasha Romanova 2012 The Avengers
Olympic Medalists:
1 gold, 1 silver
(gold) Yelena Romanova 1992 3000 m
(silver) Yana Romanova 2014 biathlon
Other Royalty:
23 grand duchesses, 2 grand duchess/queen consorts, 1 princess/empress consort
Alexandra Pavlovna of Russia (a.k.a. Romanova) 1783-1799 Russia
Elena Pavlovna of Russia (a.k.a. Romanova) 1784-1799 Russia
Maria Pavlovna of Russia (a.k.a. Romanova) 1786-1804 Russia
Catherine Pavlovna of Russia (a.k.a. Romanova) 1788-1809 Russia
Olga Pavlovna of Russia (a.k.a. Romanova) 1792-1795 Russia
Maria Nikolaevna of Russia (a.k.a. Romanova) 1819-1839 Russia
Olga Nikolaevna of Russia (a.k.a. Romanova) 1822-1846 Russia
Maria Mikhailovna of Russia (a.k.a. Romanova) 1825-1846 Russia
Alexandra Nikolaevna of Russia (a.k.a. Romanova) 1825-1844 Russia
Elizabeth Mikhailovna of Russia (a.k.a. Romanova) 1826-1844 Russia
Catherine Mikhailovna of Russia (a.k.a. Romanova) 1827-1851 Russia
Anna Pavlovna of Russia (a.k.a. Romanova) 1795-1816; 1840-1849 Russia; Netherlands
Alexandra Alexandrovna of Russia (a.k.a. Romanova) 1842-1849 Russia
Maria Alexandrovna of Russia (a.k.a. Romanova) 1853-1874 Russia
Vera Konstantinovna of Russia (a.k.a. Romanova) 1854-1874 Russia
Anastasia Mikhailovna of Russia (a.k.a. Romanova) 1860-1879 Russia
Olga Konstantinovna of Russia (a.k.a. Romanova) 1851-1867; 1867-1913 Russia; Greece
Xenia Alexandrovna of Russia (a.k.a. Romanova) 1875-1917 Russia
Elena Vladimirovna of Russia (a.k.a. Romanova) 1882-1902 Russia
Olga Alexandrovna of Russia (a.k.a. Romanova) 1882-1917 Russia
Maria Pavlovna of Russia (a.k.a. Romanova) 1890-1908 Russia
Alix of Hesse and by Rhine; Alexandra Feodorovna (a.k.a. Romanova) 1872-1894; 1894-1917 Hesse and by Rhine; Russia
Olga Nikolaevna of Russia (a.k.a. Romanova) 1895-1918 Russia
Tatiana Nikolaevna of Russia (a.k.a. Romanova) 1897-1918 Russia
Maria Nikolaevna of Russia (a.k.a. Romanova) 1899-1918 Russia
Anastasia Nikolaevna of Russia (a.k.a. Romanova) 1901-1918 Russia
Saints:
5 saints
Saint Alexandra Feodorovna (a.k.a. Romanova) 1872-1918
Saint Olga Nikolaevna of Russia (a.k.a. Romanova) 1895-1918
Saint Tatiana Nikolaevna of Russia (a.k.a. Romanova) 1897-1918
Saint Maria Nikolaevna of Russia (a.k.a. Romanova) 1899-1918
Saint Anastasia Nikolaevna of Russia (a.k.a. Romanova) 1901-1918