A T-square is a drafting and technical drawing tool.

T-square may also refer to:

T-shaped square (tool), in carpentry T-square (fractal), in mathematics, a two-dimensional fractal T-Square (software), an early drafting software program T-Square (band), a Japanese jazz fusion band A variation of grand cross in astrology T-square position, a sexual position Tsquared (born 1987), professional Halo player

See also

"Square-T", the code for the WW2 USAF 490th Bombardment Group TT (disambiguation) 2T (disambiguation) T2 (disambiguation) Square (disambiguation) The Square (disambiguation)