Voima may refer to:
Transport Two Finnish icebreakers: Voima (1924) Voima (1952)
Publications Voima (newspaper), Finnish newspaper Nuori Voima, Finnish magazine published by Nuoren Voiman Liitto Pohjan Voima, newspaper of the Lapua Movement
Companies Imatran Voima a Finnish state-owned power company, now part of Fortum Pohjolan Voima, a Finnish power company Teollisuuden Voima, a Finnish power company
Others Imatran Voima (band), a Finnish electro music duo Voima (book), a fantasy fiction novel by C. Dale Brittain