NTL
NTL stands for:
- National Training Laboratory
- NTL (manufacturer) , French manufacturer of trams and electric buses
- former name of a British telecommunications company, now to be Virgin Group belongs
- Northland (New Zealand) (ISO-3166-2: NZ code), New Zealand region
- RAAF Base Williamtown (IATA code), military part of Newcastle Airport, New South Wales
- Newcastle Airport (New South Wales) (IATA code), civil part of Newcastle (New South Wales) Airport , New South Wales
- ntl. or only ntl without point = New Testament