Linda Elin Ulvaeus (born 23 February 1973) is a Swedish singer-songwriter, screen and stage actress. She is the eldest child of Björn Ulvaeus and Agnetha Fältskog, former members of the Swedish pop group ABBA.

Ulvaeus made her musical debut in 1981, aged eight, when she released the album Nu tändas tusen juleljus, recorded with her mother in 1980. She has since developed her career as an actress. In 2004, Ulvaeus appeared as a backing singer in Agnetha Fältskog's comeback single "When You Walk in the Room".