- ZTL stands for Zona A Traffico Limitato (Italy)
- ZTL stands for Zero Torsional Load (motorcycle braking system)
- ZTL stands for Zee Telefilms Ltd
- ZTL stands for Zero Touch Linux (software)
- ZTL stands for Telluride, Colorado (airport code)
- ZTL stands for Zecher Tzaddik Libracha (Hebrew name)
ZTL