KDL is Kernel Debugging Land in BeOS/Haiku.
KDL may also refer to:
- Kärdla Airport, Estonia (IATA:
KDL
) - Compagnie des Chemins de fer Katanga-Dilolo-Léopoldville, a Belgian Congolese rail company
- Kent District Library, Michigan, US
- Kevin de León (born 1996), American politician
- Kirby's Dream Land, a 1992 video game