| NTL | N Time Levels 
| Others |
| NTL | Naigai Trans Line
| Others |
| NTL | NASA Tournament Lab
| Others |
| NTL | National City Lines, Inc.
| Others |
| NTL | National Taichung Library
| Others |
| NTL | National Temperance League
| Others |
| NTL | National Testing Laboratory
| Others |
| NTL | National Tow List
| Others |
| NTL | National Track League
| Others |
| NTL | National Training Laboratories
| Others |
| NTL | National Transcommunications Limited
| Others |
| NTL | National Transit Library
| Others |
| NTL | National Transmitters Limited
| Others |
| NTL | National Transportation Library
| Others |
| NTL | National Transportation Library's
| Others |
| NTL | National Travelers Life Company
| Others |
| NTL | National Trial Lawyers
| Others |
| NTL | National Trust Library
| Others |
| NTL | Naughty Telephone Line
| Others |
| NTL | Navigating The Library
| Others |
| NTL | Nawips Top Level
| Others |
| NTL | Need The Loo
| Others |
| NTL | Need to Talk Live
| Others |
| NTL | Neighborhood Team Leader
| Others |
| NTL | Nelson, Tyler, and Langer, PLLC
| Others |
| NTL | Neon Test Light
| Others |
| NTL | Netball Talent League
| Others |
| NTL | Network Technologies, Limited
| Others |
| NTL | Neural Theory of Language
| Others |
| NTL | Nevertheless
| Others |
| NTL | New Tel Limited
| Others |
| NTL | New Turkish Lira
| Others |
| NTL | Newcastle, New South Wales, Australia - Williamtown (Airport Code)
| Others |
| NTL | Newfangled Transfer Limitations
| Others |
| NTL | Newfoundland Transshipment Limited
| Others |
| NTL | Newfoundland Transshipment, Limited
| Others |
| NTL | Newton's Third Law
| Others |
| NTL | Next To Leading
| Others |
| NTL | Next To Link
| Others |
| NTL | Nice Television Love
| Others |
| NTL | Nippon Techno Lab, Inc.
| Others |
| NTL | Nissan Tiida Latio
| Others |
| NTL | Nizky Tlak (Czech: Low Pressure)
| Others |
| NTL | No Technology Limit
| Others |
| NTL | No Telephone Line
| Others |
| NTL | No Telephone, Love
| Others |
| NTL | No Time Limit
| Others |
| NTL | Nokia Telecommunication Limited
| Others |
| NTL | Non Trucking Liability
| Others |
| NTL | Non-standard Template Library
| Others |
| NTL | Non-Stop Technical Library
| Others |
| NTL | Non-Technological Liability
| Others |
| NTL | Non-Trucking Liability
| Others |
| NTL | Non-Uniform Transmission Line
| Others |
| NTL | None The Less
| Others |
| NTL | NonStop Technical Library
| Others |
| NTL | Normal Tidal Limit
| Others |
| NTL | Norsk Tjenestemannslag
| Others |
| NTL | Norske Tropefuglforeningers Landsforbund (Norwegian bird association)
| Others |
| NTL | North Temperate Lakes
| Others |
| NTL | North Twin Lakes
| Others |
| NTL | North Twin Lakes Elementary School
| Others |
| NTL | Northern Telecomminications Line
| Others |
| NTL | Northern Territory Library
| Others |
| NTL | Northwest Transmission Line
| Others |
| NTL | Not Today Love
| Others |
| NTL | Not Today, Love
| Others |
| NTL | Not Too Long
| Others |
| NTL | Not Tournament Legal
| Others |
| NTL | Not Tremendously Lovely
| Others |
| NTL | Nothing To Lose (movie)
| Others |
| NTL | Notice to Lessees and Operators
| Others |
| NTL | Notice(s) to Lessees
| Others |
| NTL | Notified Testing Laboratory
| Others |
| NTL | Nuclear Technology Laboratory
| Others |
| NTL | Nuclear Thermionics Laboratory
| Others |
| NTL | Number Theory Language
| Others |
| NTL | Number Theory Library
| Others |
| NTL | Nutella
| Others |
| NTL | The Next To Leading
| Others |
| NTL | Trust Limited
| Others |
| NTL | Williamstown Airport, Newcastle, New South Wales, Australia
| Others |