Mary Healy

Mary Healy may refer to:


 * Mary Healy (zoologist) (1953–2014), American zoologist, CEO and director of the Sacramento Zoo
 * Mary Healy (entertainer) (1918–2015), American actress, singer, and variety entertainer
 * Mary Healy (Mother Gertrude) (1865–1952), Australian hospital administrator and member of the Sisters of Charity
 * Mary Healy (theologian), Catholic professor and international speaker