TNL

TNL may refer to:

Lenakel language, spoken in Vanuatu
National Liberal Youth (Romania) (Romanian: {{lang|ro|Tineretul Național Liberal}}), the youth organisation of the National Liberal Party of Romania
Ternopil Airport, serving Ternopil, Ukraine
TNL TV, a television channel in Sri Lanka
Toronto Northern Lights, a Toronto, Ontario-based men's chorus
Tramway de Nice et du Littoral, a public transportation system in Nice, France
TNL (political party), a political party in Australia
The National Lottery, a lottery company in the United Kingdom
Transform and lighting, a graphics card feature