Nils Olov Lennart ”Lill-Järven" Larsson (7 February 1930 – 26 March 2021) was a Swedish cross-country skier and coach.

Larsson won the 4 × 10 km relay at the 1958 FIS Nordic World Ski Championships in Lahti.

[1][2] Larsson got his nickname Lill-Järven (Little Wolverine) from his club SK Järven.

During his last competitive season of 1965/66 he studied at Bosön Sport Folkhögskola, and later in 1971–73 received a diploma of physical education teacher from the Swedish School of Sport and Health Sciences in Stockholm.

He also prepared the Swedish national skiing team for all Winter Olympics from 1968 to 1980 and for the World Championships of 1970, 1978, and 1982.