Power may refer to:
Common meanings
* Power (physics), meaning "rate of doing work"
** Engine power, the power put out by an engine
** Electric power, a type of energy
* Power (social and political), the ability to influence people or events
Mathematics, science and technologyComputing
* IBM POWER (software), an IBM operating system enhancement package
* IBM POWER architecture, a RISC instruction set architecture
* Power ISA, a RISC instruction set architecture derived from PowerPC
* IBM Power microprocessors, made by IBM, which implement those RISC architectures
* Power.org, a predecessor to the OpenPOWER Foundation
Mathematics
* Exponentiation, "''x'' to the power of ''y''"
* Power function
* Power of a point
* Statistical power
Physics
* Magnification, the factor by which an optical system enlarges an image
* Optical power, the degree to which a lens converges or diverges light
Social sciences and politics
* Economic power, encompassing several concepts that econom ...