TRX may refer to:

Transportation Honda TRX250R, a 1980s ATV Honda TRX450R, a 2000s and 2010s ATV Michelin TRX, a car tire Nissan Pintara TRX TraXion, a defunct Danish railway company Yamaha TRX850, a sports motorcycle Ram 1500 TRX, a production model 4x4 performance truck from Stellantis

Other Total prescriptions (TRx), see Pharmaceutical marketing TRX, an identifier for Thioredoxin TRX System, suspension training Tun Razak Exchange, Kuala Lumpur, Malaysia Tron (cryptocurrency)

See also TRX1 (disambiguation)