TLP
- Billboard 200
- Filomeno Mata Totonac
- PCI Express
- Pakistan
- Portugal Telecom
- Satish Dhawan Space Centre Third Launch Pad
- Tactical Leadership Programme
- Tanjung Langsat Port
- Tanzania Labour Party
- Tarbes–Lourdes–Pyrénées Airport
- Tehreek-e-Labbaik Pakistan
- Tension-leg platform
- The Library Project
- Thermolysin
- Thread level parallelism
- Tirana logistic park
- Tractatus Logico-Philosophicus
- Tradition Records
- Traffic Light Protocol
- TransMontaigne
- Transient lingual papillitis
- Transient lunar phenomenon
- Transitional Living for Older Homeless Youth
- Translinear principle
- Transmission level point
- Transmission-line pulse
- Trinidad Labour Party