T6 or T-6 may refer to:


* Bikle T-6, a glider * North American T-6 Texan, a World War II-era single-engine advanced trainer aircraft * Beechcraft T-6 Texan II, a single-engine turboprop aircraft built by the Raytheon Aircraft Company


* Ford Ranger (T6), post-2011 models * Volvo T6, a 2005 concept car from Volvo * Volvo T6 engine, a turbocharged gasoline inline six used in the S60, V60, V70, XC70, S80 and XC90

Biology and medicine

* Enterobacteria phage T6, a bacteriophage * T6, an EEG electrode site according to the 10–20 system * Sixth thoracic vertebra * Thoracic spinal nerve 6

Pop culture

* ''Terminator: Dark Fate'', the sixth film in the ''Terminator'' film franchise

Rail transport

* ALCO T-6, an American diesel switching (shunting) locomotive * T6, a model of the OS T1000 train of the Oslo Metro * Carlingford railway line, Sydney, Australia * Île-de-France tramway Line 6, France

Other uses

* Tavrey Airlines, by IATA airline designator * T6, a size of Torx screwdriver * T6 space, in topology, a perfectly normal Hausdorff space * A temper designation for aluminium alloys, indicating 'solution heat treated and artificially aged' * A tornado intensity rating on the TORRO scale * A prototype of the U.S. M4 Sherman tank {{Letter-Number Combination Disambiguation