'''PT1''' may refer to: * 486958 Arrokoth (New Horizons PT1), a Kuiper belt object and selected target for a flyby of the New Horizons probe * Pratt & Whitney PT1, a free-piston gas-turbine engine * Consolidated PT-1 Trusty, a 1930s USAAS primary trainer airplane * Piper PT-1, primary trainer airplane. * PT-1, a pre-World War II US Navy PT boat * ''Prison Tycoon'', a 2005 video game * PT1, a paratriathlon classification
==See also== * PTI (disambiguation) * Part One (album)
{{Letter-Number Combination Disambiguation}}