TLA
TLA is an abbreviation for:
- Temporal logic of actions, a form of propositional logic
- Three -letter abbreviation, see Three -letter abbreviation
- Tyrolean Provincial Archives, the historic Central Archive in Innsbruck
- Tom Lord 's Arch, a version control software, see GNU arch
- Air defense of the GDR, see air defense ( NVA)
- Disambiguation
- Abbreviation