Colt could refer to:

• Colt .45, a handgun popular on Earth in the 19th and 20th centuries
• Colt M1911A1, a semi-automatic handgun in the mid-20th century
• Colt Firearms, makers of the Colt .45 and 1911A1
• J.M. Colt, a crewman on the USS Enterprise in the mid-23rd century

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