Einar Fagstad (born 30 October 1899 in Lillehammer, died 19 February 1961 in Göteborg) was a Norwegian-Swedish accordionist, singer, actor and composer.
Fagstad began playing accordion aged four. He trained as a painter, and was also at sea for a time. He was employed by Ernst Rolf as an accompanist from 1923. Fagstad made his film debut in 1929 with Konstgjorda Svensson.
He was married to actress Gertie Löwenström.