Lars Ivar Andersson (born November 22, 1948) is a Swedish sprint canoer who competed from the late 1960s to the late 1970s. He won five medals at the ICF Canoe Sprint World Championships with two golds (K-2 500 m: 1970, 1971) and three silvers (K-1 1000 m: 1970, 1971; K-2 1000 m: 1970).
Andersson also competed in three Summer Olympics, earning his best finish of fifth in the K-2 1000 m event at Mexico City in 1968.