Baldursdóttir is an Icelandic patronymic meaning "daughter of Baldur".
Anna María Baldursdóttir (born 1994), Icelandic footballer Ásgerður Baldursdóttir (born 1987), Icelandic footballer Eva Pandora Baldursdóttir (born 1990), Icelandic politician Kolbrún Baldursdóttir (born 1959), Icelandic politician Kristín Marja Baldursdóttir (born 1949), Icelandic writer
See also Balderson