The name Alexandrina is a girl's name of Greek origin meaning "defending men". Alexandrina and is often added to lists like International Variations of Alexandra and discussed in our forums with posts like "Pick 5 (GIRLS)".
From the experts:
Alexandrina is the most elaborate and unusual of the Alex- girls's names.The real first name of Queen Victoria, who was given it in honor of her godfather, Alexander I of Russia (her childhood nickname was Drina), it would make a distinctive pick, even though some might find five syllables a bit much. It was particularly popular in Scotland in the 1930s.