A T-square is a drafting and technical drawing tool. T-square may also refer to: 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 TT (disambiguation) 2T (disambiguation) T2 (disambiguation) Square (disambiguation) The Square (disambiguation)