Namesakes
Leif Erikson
(m) c. 970-c. 1020 
Notable Explorers and Adventurers
Leif Erickson
(m) 1911-1986
Notable Actors and Entertainers (actor)
Leif Garrett
(m) 1961-
Notable Actors and Entertainers (actor)
Notable Musicians
Helmer Pedersen
(middle name Leif) (m) 1930-1987
Olympic Medalists 1964 sailing (gold)