Martti Eemil Lappalainen (11 April 1902 – 6 October 1941) was a Finnish cross-country skier and biathlete.

He was born in Liperi and was killed in action in Mäntysova, East Karelia.

Lappalainen was a part of the Military patrol for Finland that took silver in the 1924 Winter Olympics.

Four years later he finished fourth in the 18 km event at the 1932 Winter Olympics in Lake Placid, New York.

[2] All results are sourced from the International Ski Federation (FIS).