Mary Ross

• Mary Ross , English shipbuilder
• Mary Golda Ross, Native American female engineer
• Mary Jane Ross, Cherokee writer
• Mary Leslie, Countess of Ross
• Mary C. Ross, first African-American Republican woman elected to the Rhode Island House of Representatives
• Mary Rosse, astronomer and photographer
• Mary Ross, character in The Toys of Caliban
• Mary Ross, character in ''The Airmail Mystery''