Guðbjörg is a given name. Notable people with the name include:
Guðbjörg Aradóttir, Icelandic entomologist Guðbjörg Jóna Bjarnadóttir (born 2001), Icelandic sprinter Guðbjörg Gunnarsdóttir (born 1985), Icelandic footballer Guðbjörg Guttormsdóttir (born 1989), Icelandic figure skater Guðbjörg Norðfjörð (born 1972), Icelandic basketball player Guðbjörg Linda Rafnsdóttir (born 1957), Icelandic professor Guðbjörg Sverrisdóttir (born 1992), Icelandic basketball player Guðbjörg Vilhjálmsdóttir, Icelandic professor Ólína Guðbjörg Viðarsdóttir (born 1982), Icelandic footballer
See also Guðbjörg ÍS-46, Icelandic freezer trawler