PQ may refer to:
Polyglutamine-binding protein 1 is a protein that in humans is encoded by the PQBP1 gene.
PQS is a general purpose quantum chemistry program. Its roots go back to the first ab initio gradient program developed in Professor Peter Pulay's group but now it is developed and distributed commercially by Parallel Quantum Solutions.
PQQ may refer to:
A PQ tree is a tree-based data structure that represents a family of permutations on a set of elements, discovered and named by Kellogg S.
PQ: Practical Intelligence Quotient is a puzzle game for the PlayStation Portable. The game is known as Practical IQ in Europe.
PQL (Process Query Language) is a special-purpose programming language for managing process models based on information about scenarios that these models describe.
The Convair F-102 Delta Dagger was an American interceptor aircraft that was built as part of the backbone of the United States Air Force's air defenses in the late 1950s.
PQ2: Practical Intelligence Quotient 2 (also known as PQ2; Intelligent License 2 in Japan) is a puzzle game for the PlayStation Portable, and a sequel to PQ: Practical Intelligence Quotient.