Ejnar is a masculine given name and may refer to:
Ejnar Dyggve (1887–1961), Danish architect and archeologist Ejnar Emborg (1888–1963), Danish composer Ejnar Hansen (1898–1947), Danish wrestler Ejnar Hertzsprung (1873–1967), Danish chemist and astronomer Ejnar Jacobsen (1897–1970), Danish composer Ejnar Martin Kjær (1893–1947), Danish politician Ejnar Levison (1880–1970), Danish fencer Ejnar Mikkelsen (1880–1971), Danish polar explorer and author, born in Jutland Ejnar Nielsen (1872–1956), Danish visual artist Ejnar Olsson (1896–1925), Swedish ice hockey player Ejnar Mindedal Rasmussen (1892–1975), Danish architect Ejnar Sylvest (1880–1972), Danish physician Ejnar Tønsager (1888–1967), Norwegian rower
Middle name Anders Ejnar Andersen (1912–2006), Danish politician
See also Einar Einer (disambiguation) Ejner