title: Adder (disambiguation)
text: Vipera berus, the common European adder, is a snake found in Europe and northern Asia.
  
  Adder may also refer to:
  
   AA-12 Adder, a Russian air-to-air missile
   Adder (electronics), an electronic circuit designed to do addition
   Adder Technology, a manufacturing company
   Armstrong Siddeley Adder, a late 1940s British turbojet engine
   Blackadder, a series of BBC sitcoms
   Golden Axe: The Revenge of Death Adder, a video game
   HMS Adder, any of seven ships of the Royal Navy
   Any of several groups of venomous snakes
   USS Adder, a US submarine
  
  See also 
   Addition, a mathematical operation