A tach or tachometer is a measurement device for RPMs.

Tach may also refer to: Triazacyclohexane (TACH), a class of chemicals HD Tach (software), a graphing program

People with the surname Laura Tach, American academic

People with the given name Tach Sharakat, Kalasha of Pakistan, one of the first literate Kalasha

See also

Taché (disambiguation) Taching (disambiguation) Tachycardia, a racing heartbeat Tack (disambiguation) Tash (disambiguation) Toch (disambiguation) Tock Tosh (disambiguation)