TR4

TR4 may refer to:


 * Socket TR4, a CPU socket for AMD processors
 * TR4, Tomb Raider: The Last Revelation, the fourth video game in the Tomb Raider series
 * TR4, a postal district in the TR postcode area
 * TR4, the cow-calf version of the EMD SW7 diesel locomotive
 * TR.4, a Canadian turbojet engine
 * The TR-4, musician group that recorded with Tommy Rettig
 * Travan TR-4, the fourth generation of the Travan mass storage magnetic tape computer backup cartridge
 * Triumph TR4, a British sports car
 * Fusarium oxysporum f.sp. cubense § Tropical Race 4, a disease of banana plants