Baby Names Girl Names Meaning of the Name Britannia Updated January 15, 2026 by Jennifer M. Britannia Gender: Female Origin: English Meaning: From Great Britain ♥ Add to my Namelist What is the meaning of the name Britannia? The name Britannia is primarily a female name of English origin that means From Great Britain. People who like the name Britannia also like: Emma, Charlotte, Gianna, Bella, Camille, Amelia, Elizabeth, Aiden, Alexander, Layton, Tennyson, Bryson, Brock, Jasper Names like Britannia: Bradan, Brayden, Britton, Brittania, Broden, Berdine, Brittany, Braeden, Brittnee, Bruton, Brittney, Barton, Burton, Britany, Brayton, Britney, Britain, Brettney, Bradwin, Braden Stats for the Name Britannia Britannia is currently not in the top 100 on the Baby Names Popularity Charts Britannia is currently not ranked in U.S. births