Pronunciation: \b-ri-tannia, brit(an)-nia\
Gender / Sex: girl
Meaning: from Brittany or Great Britain
Sounds Like: Britania, Britanny, Britani
Similar Names: Brianna, Brieanna, Brianni
Britannia \b-ri-tannia, brit(an)-nia\ as a girl's name is a variant of Brittania (Latin), and the meaning of Britannia is "from Brittany or Great Britain".
The baby name Britannia sounds like Britania, Britanny and Britani. Other similar baby names are Brianna, Brieanna and Brianni.
Britannia is not a popular first name for women and an equally uncommon surname or last name for both men and women. (1990 U.S. Census)