TDL may refer to:
Businesses and organizations Technical Design Labs, a former microcomputer- and software company Texas Digital Library, a consortium of institutions TDL Group, former company name of Tim Hortons
Places Tokyo Disneyland, Japan Tandil Airport (IATA code), Argentina Tundla Junction railway station (Station code), India
Other uses To-do list Tactical Data Link, in military communication Tomodachi Life (video game), a 2013 life simulation video game Toxic Dose Low, in toxicology Topological deep learning Sur language (ISO 639-3 code: tdl), a Plateau language of Nigeria
See also Temporal difference learning (TD), a prediction method Tunneled Direct Link Setup (TDLS) Two Dimensional Logarithmic Search (TDLS) Tunable diode laser absorption spectroscopy (TDLAS)