Gunnlaugur is an Icelandic given name, originally from Old Norse Gunnlaugr . Notable people with the name include:
Gunnlaugur Jónsson (born 1974), Icelandic football manager Gunnlaugur Scheving (1904–1972), Icelandic painter Gunnlaugr Leifsson (died c. 1218), Icelandic scholar, author and poet Gunnlaugr Ormstunga (c. 983–1008), Icelandic poet
See also Gunnlaugsson