Elsa Alsen (7 April 1880 – 31 January 1975) was an American dramatic soprano and concert singer, born in Prussia, best known for her Wagnerian roles.

Alsen was born in Obra, Prussia, the daughter of a French mother and Norwegian father.

[1] She sang as a contralto early in her career,[3][4] then as a dramatic soprano, often in Wagnerian roles, especially Brünnhilde and Isolde.

[1] Alsen gave a concert at New York's Aeolian Hall with Georg Liebling in 1925.

[12] She was a "favorite" at the Hollywood Bowl by 1930,[3] and in the 1930s she sang at four concerts with the Boston Symphony Orchestra,[13] and was a concert soloist with Paul Althouse at several events, including a Sängerfest in St. Paul in 1932,[14] and with the Baltimore Symphony Orchestra in 1934.