PQ2
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)