Sigrún is a given name. Notable people with the name include:
Sigrún Sjöfn Ámundadóttir (born 1988), Icelandic basketball player
Sigrún Aðalbjarnardóttir (born 1949), Norwegian professor
Sigrun Berg (1901–1982), Norwegian weaver
Sigrún Edda Björnsdóttir (born 1958), Icelandic actress
Sigrun Karin Christiansen (born 1932), Norwegian writer
Sigrún Davíðsdóttir (born 1955), Icelandic journalist
Sigrun Eng (born 1951), Norwegian politician
Sigrún Klara Hannesdóttir (born 1943), Icelandic professor
Sigrun Krause (born 1954), East German cross-country skier
Sigrun Kristiansen (born 1989), Faroese footballer
Sigrún Magnúsdóttir (born 1944), Icelandic politician
Sigrún Björg Ólafsdóttir (born 2001), Icelandic basketball player
Sigrun Otto (1896–1980), Norwegian actress
Sigrun Tara Øverland (born 1983), Norwegian musician
Sigrún Pálsdóttir (born 1967), Icelandic writer
Sigrun Slapgard (born 1953), Norwegian journalist
Sigrún Stefánsdóttir (born 1944), Icelandic news reporter
Sigrun Svenningsen (1902–1971), Norwegian actress
Sigrún Brá Sverrisdóttir (born 1990), Icelandic swimmer
Sigrun Vågeng (born 1950), Norwegian public sector official
Sigrun Wodars (born 1965), East German middle-distance athlete