Jonas Švažas was born in the village of Urvikiai, Mažeikiai Region, Lithuania, on 05 August 1925. In 1953, he graduated from Vilnius State Institute of Art. In 1953-1976, he worked as a painting lecturer at the same Institute. He was granted the name of an Associate Professor. In 1975 he was granted the name of the Honoured Art Figure; the State Prize winner. In 1954-1976, the artist participated in the exhibitions in Lithuania and abroad. Died in Vilnius on 14 December 1976.