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:
4 grand duchesses, 1 princess/empress consort
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