LTA may refer to

• Land Transport Authority in Singapore
• Lawn Tennis Association in the United Kingdom
• Lieutenant in Singapore Civil Defence
• Lipoteichoic acid
• Lymphotoxin alpha
• Lambda Theta Alpha, Latin Sorority, Incorporated
• Línea Turística Aereotuy, a Venezuelan airline
• Legs, Trunk, Arms, now PR3, an adaptive rowing classification

• Rolls-Royce/SNECMA M45H-01
• Rolls-Royce/Snecma Olympus 593
• Rolls-Royce T56
• Rolls-Royce Tay (disambiguation)
• Rolls-Royce Tay (turbofan)
• Rolls-Royce Tay (turbojet)
• Rolls Royce Thrust Measuring Rig
• Rolls-Royce Trent (turboprop)
• Rolls-Royce/Turbomeca RTM322
• Rolls-Royce V8
• Rolls-Royce V8 engine
• Roll-step
• Roll tap
• Roll That Barrel Out
• Roll the Bones (song)
• Roll the Bones Tour
• Roll The Bones Tour
• Roll the Credits
• Roll the Dice (album)
• Roll The Dice (disambiguation)
• Roll Tide Roll
• Roll To Me
• Rolltop (disambiguation)
• Roll-to-roll
• Roll-to-roll electronics inkjet printer