TR 3

TR 3 or TR3 may refer to:

Aircraft:

• TR-3A Black Manta, alleged spyplane and black program by the USAF
• TR-3B Astra, alleged spyplane and black program by the USAF

Engines:

• Lyulka TR-3, 1940s Soviet jet engine
• TR.3, Orenda Engines

Vehicles:

• Triumph TR3, a car from the United Kingdom

People:

• TR3, the Tim Reynolds Trio

Other:

• TR3, a postal district in the TR postcode area
• Tomb Raider III: Adventures of Lara Croft, the third game in the Tomb Raider series.
• .tr3, a file extension format for TomeRaider, an ebook reader and cross-platform reference viewer