Mary Immaculate most commonly refers to the Virgin Mary and her Immaculate Conception in the teachings of the Catholic Church.

Mary Immaculate may also refer to:

Churches

• St. Mary Immaculate Roman Catholic Church, Warwick, England
• Mary Immaculate and St Peter, New Barnet, London

Educational institutions

• Mary Immaculate College, Limerick, Ireland – primarily a college of education
• St. Mary Immaculate Catholic Primary School, Warwick, England
• Mary Immaculate High School, Vale of Glamorgan, Wales
• Mary Immaculate Seminary, Northampton, Pennsylvania, USA (closed 1990)
• Mary Immaculate Girls' High School, Mumbai, India

• U.S. Post Office and Courthouse (Tyler, Texas)
• U.S. Post Office and Courthouse, Waycross, Georgia
• U.S. Post Office and Courthouse (Wilson, North Carolina)
• U.S. Post Office and Courthouse, Worcester, Massachusetts
• U.S. Post Office and Courthouse, Yakima, Washington
• U.S. Post Office and Customhouse, Richmond, Virginia
• U.S. Post Office and Customshouse (Everett, Washington)
• U.S. Post Office and Federal Building-Cañon City Main
• US Post Office and Federal Building-Cañon City Main
• U.S. Post Office and Federal Building (La Grande, Oregon)
• US Post Office and Federal Building-Lewistown
• U.S. Post Office and Federal Building - Lewistown
• U.S. Post Office and Federal Building–Cañon City Main
• US Post Office and Federal Building–Cañon City Main
• U.S. Post Office and Federal Building – Lewistown
• US Post Office and Federal Building–Zanesville
• US Post Office-Anthony
• US Post Office-Bar Harbor Main
• U.S. Post Office (Bogalusa, Louisiana)
• US Post Office (Bogalusa, Louisiana)
• U.S. Post Office - Bonners Ferry Main
• US Post Office-Caldwell
• U.S. Post Office - Caldwell Main
• US Post Office-Camden Main
• US Post Office (Camden, Tennessee)