QP, Qp, or Q_p may refer to:

Computing

• Quoted-printable, an encoding to send 8-bit data over 7-bit path '=09'
• QP (Quantum Platform), a framework for building real-time embedded applications

Medicine

• Qualified person (European Union), in European Union pharmaceutical regulation
• ATCvet code QP, designation for antiparasitic veterinary medication

Mathematics

• Q_p, the field of p-adic numbers
• Quadratic programming, a special type of mathematical optimization problem
• Quasi-polynomial time, relating to time complexity in computer science
• QP or EQP, Exact Quantum Polynomial time in computational complexity theory

Other uses

• Akasa Air (IATA code: QP), an Indian low-cost airline
• qp ligature, a ligature of Latin
• Qp-Crazy, a Japanese hardcore punk and industrial metal band
• Quarter Pounder, a hamburger
• Qatar Petroleum, former name of the oil and gas company QatarEnergy

This disambiguation page lists articles associated with the title QP.
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