Bjarnadóttir

Bjarnadóttir is a surname. Notable people with the surname include:


 * Guðbjörg Jóna Bjarnadóttir (born 2001), Icelandic sprinter
 * Hafdís Bjarnadóttir (born 1977), Icelandic composer
 * Kristín Bjarnadóttir (1812–1891), Icelandic politician
 * Kristín Ýr Bjarnadóttir (born 1984), Icelandic footballer
 * Sóllilja Bjarnadóttir (born 1995), Icelandic basketball player
 * Valgerður Bjarnadóttir (born 1950), Icelandic politician