Mary Chase may refer to:Mary Agnes Chase (1869–1963), American botanist
Mary Catherine Chase (1835–?), American Catholic nun and writer
Mary Nettie Chase (1863--1959), American educator, suffragist and peace activist
Mary Chase Peckham (1839–1893), American author and reformer
Mary Chase (playwright) (1906–1981), American author of fourteen plays, including Harvey
Mary Ellen Chase (1887–1973), American educator, scholar, and regional author