Leif Erikson (c.980 – c.1020) was an Icelandic explorer who was the first European known to have discovered North America.
Leif Ericson or alternative spellings may also refer to: People Leif Erickson (actor) (1911–1986), American actor Leif Erickson (politician) (1906–1998), American politician Leif Eriksson (footballer) (born 1942), Swedish footballer Leif Eriksson (pipemaker) (born 1946), developer of the revived Swedish bagpipe Leif Ericsson (swimmer) (born 1955), Swedish swimmer
Other , a Canadian passenger and vehicle ferry Leif Erikson (band), a British indie band Leif Erikson (ship), a 1926 Viking ship replica Leif Erickson, Hagbard Celine's submarine in The Illuminatus! Trilogy Leiv Eiriksson, an oil platform owned by Ocean Rig "Leif Erikson", a song from the album Turn On The Bright Lights by rock band Interpol See also Leif Eriksen (disambiguation)