Mary Wilcox (disambiguation)

Mary Wilcox may refer to:

• Mary Charlotte Wilcox (born 1947), Canadian retired actress and minister
• Mary Theodora Wilcox, birth name of Dora Wilcox (1873–1953), New Zealand-born Australian poet and playwright
• Mary Wilcox Silver, American oceanographer and professor emerita
• Mary Alice Willcox (1856–1953), American zoologist and professor