Einarson is a surname. Notable people with the surname include:
Eldar Einarson (born 1947), Norwegian filmmaker and writer Henry Einarson (1918–1992), Canadian politician John Einarson (born 1952), Canadian rock journalist Kerri Einarson (born 1987), Canadian curler Oddvar Einarson (born 1949), Norwegian movie director
See also Einarsson