Leiv is a masculine given name, a Norwegian spelling variant of Leif. Persons so-named include:Leiv Amundsen (1898–1987), Norwegian librarian and philologist Leiv Blakset (1928–2005), Norwegian farmer, teacher and politician Leiv Erdal (1915–2009), Norwegian military officer, bailiff and politician Leiv Harang (1902–1970), Norwegian physicist Leiv Heggstad (1879–1954), Norwegian educator, linguist and translator Leiv Kjøllmoen (1930–2015), Norwegian politician Leiv Kreyberg (1896–1984), Norwegian pathologist and university professor Leiv Lunde (1961–2022), Norwegian political scientist and politician Leiv Mjeldheim (1929–2011), Norwegian historian Leiv Nergaard, Norwegian businessperson Leiv Stensland (1934–2020), Norwegian politician Leiv Kristen Sydnes, Norwegian chemist Leiv Magnus Vidvei (1923–2016), Norwegian economist, civil servant and politician