Buck may refer to any of the following:

• The male of various species of animal, including:
  • some species of deer — see also blackbuck
  • rabbits
  • squirrels
  • Tyrannosaurus rex (the term buck was first used for a male Tyrannosaurus rex in the Jurassic Park series and is currently gaining popularity)
• A slang term for:
  • African Antelope
  • a human male (usually a sexually adventurous 'boy')
  • an African American man (not in common use)
  • a dollar (particularly in the Australia, Canada, New Zealand and United States, India)
  • a repetition of an old joke, story, or fact, especially by email
  • a chicken (bucker), from the sound a chicken makes
  • a one-hit shotgun blast to the chest
  • a slight punch in the arm
• A marker or button that indicates the dealer in the card game Poker
• Buck, the main character in The Call of the Wild
• Buck (band)
• A buck converter is a type of electronics power supply.

People

Real

• Buck Freeman
• Carrie Buck eugenics
• Frank Buck, an animal collector
• Frank Buck, a Tennessee politician
• James Buchanan the fifteenth President of the United States was nicknamed Buck
• Pearl S. Buck was an American novelist who won the 1938 Nobel Prize for Literature

Fictional

• Buck is the name of the briard owned by the Bundy's on Married... with Children.
• Buck Rogers is a science fiction hero from the 1930s and 1970s.
• Cameron "Buck" Williams is a character in the Left Behind series
• Frank Buck, American big game hunter and general hero in colonial Malaysia, played by Bruce Boxleitner in TV action series Bring 'm Back Alive, loosely based on the above real character

Buck | Buck