Snark may refer to:

• Snark (Lewis Carroll), a fictional animal in Lewis Carroll's The Hunting of the Snark
• A Corporate Fable, a Dr. Seuss-style children's book by Brian Gage
• Snark (graph theory), a type of graph
• SM-62 Snark, an intercontinental nuclear cruise missile
• Snark sailboat, a small, inexpensive, and lightweight sailboat
• MV The Second Snark, a historic shipyard tender, now in service as a cruise boat and ferry
• Corporal Snark, a minor character in Joseph Heller's novel Catch-22
• Snark (computer jargon), in computer jargon a system failure; see also snivitz
• Snark (speech), a style of speech/writing that could loosely be described as "snidely derisive"
• Snark (Half-Life), a small, fictional bug-like species of alien used as a weapon in the computer game Half-Life
• Snark (game), an early 1970s text-based computer game from People's Computer Company
• Snark (diving regulator), a tradename for an early single-hose diving regulator