Ulla Billquist (August 14 ,1907 - July 8, 1946) was a Swedish singer. Her greatest hit was Min Soldat, released in 1940. Some of her songs were later covered by other artists, for instance, Nu ska vi opp, opp, opp was covered by Agnetha Fältskog at her early career. She had an older sister, Margareta Schönström, who was an actress and singer, known as Greta Alda. Ulla was married three times, but kept the name of her first husband.