Karolina is the Polish, Scandinavian, Czech and Hungarian form of Caroline, the feminine of Charles, which goes back to the Germanic karl and means "free woman" or "free man". It is one of the most popular girls' names in Poland and is also common in Lithuania and Sweden, so in America it often marks Eastern European roots. Karolina has moved from number 1,579 in 2000 to a best rank of number 1,256 in 2024 and stands at number 1,267 in 2025.