Giæver (IPA: [ˈjeːvər]) is a Norwegian surname that may refer to Anders Giæver (born 1961), Norwegian journalist and author Ivar Giaever (1929–2025), Norwegian-American physicist Jo Giæver Tenfjord (1918–2007), Norwegian librarian, children's writer and translator Joachim Giæver (1856–1925), Norwegian-born American civil engineer John Schjelderup Giæver (1901–1970), Norwegian author and polar researcher Giaever Glacier in Antarctica Giaever Ridge in Antarctica Knut T. Giæver (1926–2015), Norwegian publisher Morten Giæver (born 1982), Norwegian football midfielder Ola Krogseng Giæver (1885–1945), Norwegian farmer and politician Ole Giæver (born 1977), Norwegian film director, screenwriter and actor Torbjørn Giæver Eriksen (born 1970), Norwegian politician