Computing

• 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

Fictional entities

• Power (Chainsaw Man), a character from the anime and manga series Chainsaw Man
• Power Girl, a character in the DC Comics universe
• Power Pack, a Marvel Comics superhero team consisting of four young siblings

Films

• Power (1928 film), a comedy film starring William Boyd, Alan Hale and Jacqueline Logan
• Power (1986 film), an American drama film
• Power (2013 film), an unreleased Indian film by Rajkumar Santoshi, starring Amitabh Bachchan and Sanjay Dutt
• Power (2014 Telugu film), an Indian Telugu-language film starring Ravi Teja and Hansika Motwani
• Power (2014 Kannada film), an Indian Kannada-language film starring Puneeth Rajkumar and Trisha
• Power (2016 film), an Indian Bengali-language action comedy film

Literature

• Power (Fast novel), a 1962 novel by Howard Fast
• Power (play), a 2003 play by Nick Dear
• Power: A New Social Analysis , a 1938 sociology book by Bertrand Russell
• "Power", a storyline in the science fiction comedy webtoon series Live with Yourself!

Music

Radio

• Power 98 (radio station), an English-language radio station in Singapore
• The Power (XM), an XM satellite radio channel
• Power 105.1, a radio station in New York City
• Power 89.1, in Cebu City, Philippines, operated by Word Broadcasting Corporation
• 94.1 Power Radio in Daet, Camarines Norte, Philippines
• DXLL-FM in Davao City, Philippines (previously known as Power Radio from 2021 to 2024)

Television

• Power (TV series), a 2014 drama series on Starz about a New York City illegal drug network
  • Power Universe, an American media franchise comprising Power and its spin-offs
• "Power" (Batwoman), a 2021 episode
• "Power" (Murdoch Mysteries), a 2008 episode
• "Power" (Smallville), a 2009 episode

Other uses in arts, entertainment, and media

• Girl Got Game , originally Power!!, a manga series 1999–2002
• Power Magazine , a Swedish automobile magazine
• Power! , a 1985 video game
• Power (game), a play-by-mail space-based game published by Entertainment Concepts Inc