PQ2 or variation, may refer to:
Convoy PQ 2, WWII Allied Arctic Convoy Persona Q2: New Cinema Labyrinth, a 2018 video game PQ2: Practical Intelligence Quotient 2, a 2006 video game Police Quest II: The Vengeance, a 1988 video game PQ2, a rating used for the UK Royal Mail in Address Point
See also PQQ (disambiguation) PQ (disambiguation)