TR 3 or TR3 or TR-3 may refer to:

• TR-3 Black Manta, a speculated spyplane and black program by the USAF
• Lyulka TR-3, a 1940s Soviet jet engine
• TR.3, a 1940s Canadian jet engine design study

• Tomb Raider III, the third game in the Tomb Raider series
• TR3 (band), the Tim Reynolds Trio
• Triumph TR3, a car from the United Kingdom
• TR3, a postal district in the United Kingdom's TR postcode area
• .tr3, a file extension format for the TomeRaider ebook reader
• Tier 3 (nightclub)
• TR3 Racing, an American auto racing team

• TR3A (disambiguation)

Topics referred to by the same term

This disambiguation page lists articles associated with the same title formed as a letter–number combination.
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