Hiltrud Kellner

Hiltrud Kellner, sometimes Hiltrud Kellner de Zozaya (born 1913) was a Uruguayan composer of Romanian origin.

Born in Transylvania, Kellner was married to the Mexican composer Carlos Zozaya, and with him lived in Uruguay for many years. He was among her instructors; other teachers included Enrique Casal Chapí [es] and Héctor Tosar. She composed a number of works for orchestra, including a piano concerto.