Svea Welander ( 1898–1985) was a Swedish composer, organist, teacher, and violist, who was born in Limhamn, Malmo, to a family of nine children. In 1914, she began working as cinema pianist to save money for further education. She studied in Malmo and later in Copenhagen. Her teachers included John Heinze, Henrik Knudsen, Lars-Erik Larsson, and Sten Broman. She became a member of the Society of Swedish Composers.

From 1927 to 1964, Svea was a church organist in Bjurlov. She taught music at Hyilan Folk High School for 18 years, and taught piano at the Music Conservatory in Malmo from 1927 to 1935, leaving when she married composer Waldemar Welander. They had a daughter named Monica. Svea published music under her birth name "Nordblad" and also under her married name "Welander." Svea and Waldemar helped found Akarp's orchestra, where she played viola for many years.