| Birth Date: | 4 February 1908 |
| Birth Place: | Kristiania (now Oslo), Norway |
| Nationality: | Norwegian |
| Education: | University of Oslo |
| Occupation: | professor and literary researcher |
| Known For: | board member of Norsk Film, Norwegian editor of the Swedish periodical Ord och Bild |
| Father: | Harald Buch |
| Mother: | Camilla Collett |
| Relatives: | Ada Polak (sister) |
| Awards: | fellow, Norwegian Academy of Science and Letters |
Ellisiv Andrea Steen (4 February 1908 – 27 October 2001) was a Norwegian professor and literary researcher.
She was born in Kristiania (now Oslo), Norway. She was the daughter of Harald Buch (1872–1950) and Camilla Collett (1878–1973) and a sister of art historian Ada Polak. In 1933 she married professor and historian Sverre Steen.
Her master's thesis was a study of English writer and philosopher Aldous Huxley. She gained her Doctor of Philosophy degree at the University of Oslo in 1948; the subject of her doctoral thesis was a treatment on the authorship of Norwegian writer Camilla Collett. She was a fellow of the Norwegian Academy of Science and Letters from 1955, and appointed professor at the University of Oslo in 1972.[1] [2]
She was a board member of Norsk Film from 1948 to 1964, and Norwegian editor of the Swedish periodical Ord och Bild from 1950 to 1959.[1]