Leiv is a masculine given name, a Norwegian spelling variant of Leif. Persons so-named include:
- Leiv Amundsen (1898âÂÂ1987), Norwegian librarian and philologist
- Leiv Blakset (1928âÂÂ2005), Norwegian farmer, teacher and politician
- Leiv Erdal (1915âÂÂ2009), Norwegian military officer, bailiff and politician
- Leiv Harang (1902âÂÂ1970), Norwegian physicist
- Leiv Heggstad (1879âÂÂ1954), Norwegian educator, linguist and translator
- Leiv Kjøllmoen (1930âÂÂ2015), Norwegian politician
- Leiv Kreyberg (1896âÂÂ1984), Norwegian pathologist and university professor
- Leiv Lunde (1961âÂÂ2022), Norwegian political scientist and politician
- Leiv Mjeldheim (1929âÂÂ2011), Norwegian historian
- Leiv Nergaard (born 1944), Norwegian businessperson
- Leiv Stensland (1934âÂÂ2020), Norwegian politician
- Leiv Kristen Sydnes (born 1948), Norwegian chemist
- Leiv Magnus Vidvei (1923âÂÂ2016), Norwegian economist, civil servant and politician