Ernst Boris Chain, a Nobel Prize-winning chemist famed for his isolation of penicillin.

Markov chain, discrete-time stochastic process with the Markov property

Chainmail, a type of armor made of interlocking chain links

Catenary (or "chain"), the shape of a hanging flexible cable when supported at its ends and acted upon by a uniform gravitational force

Value chain, a management concept first described by Michael Porter

Ideal chain, mathematical model of polymer folding

Chain or fetter (Pali: saŋyojana), in Buddhism, refers to a deeply rooted mental attachment preventing one from achieving liberation from suffering

Chain rule, a tool for differentiation in calculus.

Chain (unit), unit of length

Chain of command, the line of authority and responsibility along which orders are passed

Physical, literal chain

Union Bridge (Tweed) (or "Chain Bridge"), bridge in Northumberland

Chain tool, small mechanical device used to "break" a bicycle chain in such a way that it could be mended with the same tool

John Chain, a retired U.S. Air Force general

Cold chain, temperature-controlled supply chain

Chains (song), a song performed by the Beatles

Supply chain, coordinated system of organizations, people , activities, information and resources involved in moving a product or service from supplier to customer

Chain store, retail outlets which share a brand and central management

Széchenyi Chain Bridge, suspension bridge that spans River Danube between Buda and Pest

"Chains" (Blackadder), an episode of the British sitcom Blackadder II

Bat Chain Puller, the tenth album by Captain Beefheart & the Magic Band

Pseudo-arc, which has at its heart the concept of a chain

Chain reaction, sequence of reactions where a reactive product or by-product causes additional reactions

Chain (in selling a house), whereby a group of buyers/sellers are linked together

Chain Bridge (Washington, D.C.), bridge across the Potomac River at the Little Falls in Washington, D.C.

Gunter's chain, a unit of measurement

Chain (algebraic topology), formal linear combination of k-simplices

In most meanings chain is a sequence of links or stages of some kind. Chain may refer to:

Also see Chain (sequence) for uses of the term 'chain' for sequences of objects.

Chained dollars, used to express real dollar amounts adjusted over time for inflation.

Chaining, an Applied Behavioral Analysis technique for teaching complicated tasks by breaking them into simpler steps

Chain complex, is a construct originally used in the field of algebraic topology

Worm-like chain (or Semiflexible chain), which has Kuhn length equal to twice the persistence length

Alice in Chains, an influential rock group that was formed in the late-1980s in Seattle, Washington

Bat Chain Puller, a collection of works by Kurt Loder for Rolling Stone

Chains (Patty Loveless song), a 1990 country song performed by Patty Loveless.

Chains of Love, a song by Terry Ronald

Chains, a 1909 play by Elizabeth Baker