Tek, an artifact dragon from the collectable card game Magic: The Gathering.

Jason Varitek, Major League Baseball catcher

Tek, shorthand for Tektronix.

TEK tyrosine kinase

The TEC-9, a 9mm firearm sometimes referred to in the U.S. as a Tek-9.

Tek, a mind-altering drug in the fictional TekWar universe

Traffic encryption key

Test of Economic Knowledge (TEK), a standardized test of economics

TEK search engine, an email-based search engine

Tek, a member of the hip-hop group Smif-N-Wessun.