Knut Henry "Krylbo" Eriksson (23 January 1920 – 8 January 2000) was a Swedish middle-distance runner who specialized in the 1500 m event.
In 1946 he finished second behind Lennart Strand, both at the national and European Championships.
On 15 July 1947, at the national championships at Malmö, Eriksson and Strand had a very close 1500 m race.
Strand won, equaling the world record at 3:43.0, and Eriksson finished second, setting his all-time personal best at 3:44.4.
Eriksson beat Strand at the 1948 Swedish Championships and at the 1948 Summer Olympics.
He retired the same year and returned to his work as a fireman.Eriksson was one of the three Olympic Flame lighters of the 1956 Summer Olympics equestrian events at Stockholm.
He held a world record in the 4 × 1500 m relay, together with three other fireman from his athletics club in Gävle.