Nancy Elizabeth Oliphant CC OOnt (August 5, 1918 – July 12, 2004) was a co-founder of the National Ballet School of Canada.

Alumni include Frank Augustyn, Rex Harrington, Karen Kain, John Alleyne, James Kudelka and Veronica Tennant.

[2] In 1959, she became associate artistic director for the National Ballet of Canada, but resigned in 1975 to devote herself to the school.

She wrote an auto biography where she recounted her difficult private life consoled by her career success.

[3] In 1988, the National Ballet School of Canada named its new performance space the Betty Oliphant Theatre.