Ámundadóttir is an Icelandic patronymic name. Notable people with the name include:
Guðrún Ósk Ámundadóttir (born 1987), Icelandic basketball coach and player Laufey Ámundadóttir (born 1962), Icelandic cell biologist and geneticist Sigrún Sjöfn Ámundadóttir (born 1988), Icelandic basketball player