The bullseye is the center of a target (worth 10 points in archery or 50 points in darts), and by extension the name given to any shot that hits the bullseye.

From analogy with this definition the word bullseye has gained other usages:

• "Hitting the bullseye" is a colloquialism for success.
• Bullseye (American game show)
• Bullseye (CNBC U.S. TV program)
• Bullseye (British game show)
• Bullseye (comics)