TEB may refer to:
- Teterboro Airport
- Taxable equivalent basis, a banking term
- Third Eye Blind, an alternative rock band from San Francisco
- Thread Environment Block also called Win32 Thread Information Block (in computer science)
- Tønsberg–Eidsfoss Line, a railway in Norway;
- Transit Explore Bus, a proposed straddling bus concept.
- Triethylborane, a chemical best known for its use igniting the engines and afterburners on the SR-71 Blackbird
- Türk Ekonomi Bankası
- Trophée Eric Bompard, a figure skating competition.