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- Queen Mary, University of London, a college of the University of London
- Queen Mary trailer, a type of semi-trailer designed for the carriage and recovery of aircraft, named after the RMS Queen Mary
- Queen Mary Coast, a section of coastline in the Australian Antarctic Territory
- "Queen Mary & Queen Elizabeth" was a nickname used in 1938 for the US presidential limousines
- "Queen Marys" was a term used for the huge concrete enclosures for the Plutonium separation plants at the Hanford Engineer Works
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