Wiig is a surname of Norwegian origin (a variant of Vik), and may refer to:
Alf Wiig (1891–1974), a Norwegian minister and bishop Andreas Wiig (born 1981), Norwegian professional snowboarder Arne Wiig (born 1964), Swedish priest, poet, author, playwright Aud Marit Wiig (born 1953), Norwegian diplomat Birgit Borgersen Wiig (1928–1998), Norwegian newspaper editor and politician , researcher Kjesten Wiig, New Zealand neuroscientist Kristen Wiig (born 1973), American actress and comedian Marit Wiig (born 1949), Norwegian civil servant and organizational leader Martin Wiig (born 1983), Norwegian football striker Olaf Wiig (born 1975), New Zealand cameraman who was kidnapped by Palestinian gunmen , Norwegian researcher and professor