Blackadder is a British television show starring Rowan Atkinson.

Blackadder or Blackader may also refer to:

• Blackadder, Scottish Borders, a Scottish village
• Blackadder (clipper), a clipper ship built in 1870
• Blackadder Water, a river in the Scottish Borders
• Clan Blackadder, a Scottish clan
• Blackadder baronets, a Scottish baronetcy
• Blackadder ITC, an OpenType font
• Blackadder (whisky bottler), an independent bottler of Scotch whisky
• Blackadder House, an estate near Allanton, Scotland
• Blackadder (surname), a surname

• Blackadder Water, a river in Scotland
• Black adder (disambiguation), snakes

This disambiguation page lists articles associated with the title Blackadder.
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