Non-zero or nonzero may refer to:

• Non-zero dispersion-shifted fiber, a type of single-mode optical fiber
• Non zero one, artist collective from London, England
• Non-zero-sum game, used in game theory and economic theory
• Non Zero Sumness, 2002 album by Planet Funk
• In mathematics, a non-zero element is any element of an algebraic structure other than the zero element.
• Nonzero: The Logic of Human Destiny, 1999 book by Robert Wright
• Nonzero Records, independent record label based in Sydney, Australia

• 0 (number)
• Null (disambiguation)
• All pages with titles beginning with Non-zero
• All pages with titles containing Non-zero