Mary Boyle

Mary Boyle may refer to:


 * Mary Boyle (psychologist), British clinical psychologist
 * Mary Boyle, Countess of Cork and Orrery (1746–1840), British literary hostess
 * Mary O. Boyle (born 1941), American politician of the Ohio Democratic party
 * Mary Boyle (born 1970), six-year-old girl who went missing in County Donegal, Ireland in 1977