Manx (/mæŋks/; formerly sometimes spelled Manks) is an adjective (and derived noun) describing things or people related to the Isle of Man:

• Manx people
  • Manx surnames
• Isle of Man

It may also refer to:

• Manx language, also known as Manx or Manx Gaelic, the native Goidelic Celtic language of the Indo-European language family of the Isle of Man
• Manx English, the English dialect of the Isle of Man

• Manx cat, a cat breed with no tail or sometimes a short tail, originating on the Isle of Man
• Manx Loaghtan, a breed of sheep, originating on the Isle of Man
• Manx Rumpy, a breed of chicken, not originating on the Isle of Man
• Manx robber fly (Machimus cowini), an insect
• Manx shearwater (Puffinus puffinus), a seabird
• Isle of Man cabbage (Coincya monensis monensis), sometimes called the Manx cabbage
• Cabbage tree (New Zealand) (Cordyline australis), sometimes called the Manx palm
• Extinct animals from the Isle of Man

• Manx Airlines, two defunct, Isle of Man-based airlines
• Manx comet, a tailless comet
• Manx Norton, a racing motorcycle
• Manx pound, the currency of the Isle of Man
• Manx Radio, the national radio station of the Isle of Man
• Manx Spirit, a clear whisky from the Isle of Man
• Meyers Manx, a dune buggy
• Varius Manx, a Polish pop group
• Handley Page Manx, an experimental British aircraft from World War II
• Harry Manx, Manx-born Canadian musician
• Manx Software (named after the cat), developers of the Aztec C compiler
• Manx, the benevolent mayor of Megakat City, a fictional character in Swat Kats

• Manxman (disambiguation)