PT2

PT2 or variant may refer to:
 * New Horizons PT2 aka 2014 OS393
 * Pratt & Whitney PT2 company designation for the Pratt & Whitney T34 turboprop aircraft engine
 * PT-2, a pre-World War II US Navy PT-boat.
 * Prison Tycoon 2: Maximum Security (2006 videogame)
 * PT2 a paratriathlon classification,