| Elizabeth Cleaver | |
| Birth Name: | Elizabeth Ann Mrazik |
| Birth Date: | February 7, 1939 |
| Birth Place: | Montreal, Quebec, Canada |
| Death Place: | Montreal, Quebec, Canada |
| Occupation: | Illustrator, writer |
Elizabeth Ann Mrazik Cleaver (February 7, 1939 – July 27, 1985) was a Canadian illustrator and writer of children's books. For her contribution as a children's illustrator she was a highly commended runner-up for the biennial, international Hans Christian Andersen Award in 1972.
Two of her books The Wind Has Wings: Poems from Canada and The Loon's Necklace were recognized with the Amelia Frances Howard-Gibbon Illustrator's Award for the outstanding illustrations in Canadian children's literature. Shortly before her death, the Library and Archives of Canada acquired the original illustrations for eleven of Cleaver's thirteen books so that they would be preserved for future generations. Original artwork was also donated to the Toronto Public Library's Osborne Collection of Early Children's Books. An award for illustrators of Canadian children's literature Elizabeth Mrazik-Cleaver Canadian Picture Book Award is named in her honor.