Elna Møller Moltke (1913–1994) was a Danish architect and author. From 1939 she began to work for the National Museum of Denmark where from 1944 she began to contribute to the monumental work Danmarks Kirker which set out be provide detailed descriptions of all the churches in Denmark. In 1970, she became the principal editor when she replaced her husband Erik Moltke. She received an award for her restoration work on two properties in Copenhagen in the 1940s.