Buck may refer to:

• A colloquialism for a United States, Canadian, or Australian dollar
• An adult male animal in some species - see List of animal names - e.g.:
  • Goat buck
  • Deer buck
  • Sheep buck
• Derby shoes, nicknamed "bucks" in modern colloquial English, for the common use of buckskin in their making

• BUCK, a My Little Pony fan convention in Manchester, UK
• Buck, someone who excels in the krump dance style
• Buck (film), a 2011 documentary
• Buck (magazine), a defunct UK publication (2008–2011)
• Buck: A Memoir, a 2013 book by MK Asante

• Buck (design company), a design-driven creative commercial production company
• Buck (human resources consulting company), a human resources consulting company
• Buck Knives, an American knife manufacturer

• Buck, a character in the 2004 American animated Western musical comedy movie Home on the Range
• Buck, a character in the film Kill Bill: Volume 1 (2003)
• Buck, the canine central character of the 1903 novel The Call of the Wild (with later adaptations in other media)
• Buck, the family dog on the television series Married... with Children (1987–1997)
• Buck, a horse in the film Home on the Range (2004)
• Buck, a main character in the video game 187 Ride or Die (2005)
• Buck, Tuck Turtle's cousin in the animated television series Wonder Pets (2006–2013)
• Buck, a weasel in the animated film Ice Age: Dawn of the Dinosaurs (2009)
• Buck, Arlo's triplet sibling in the animated film The Good Dinosaur (2015)
• Buck Cannon, in the television series The High Chaparral (1967–1971)
• Buck Cluck, Chicken Little's father in the animated film Chicken Little (2005)
• Buck Grangerford, a character in the 1884 novel Adventures of Huckleberry Finn (with later adaptations in other media)
• Buck Huckster, a character in the animated television series Beverly Hills Teens (1987)
• Buck Laughlin, a character in the film Best in Show (2000)
• Buck Mulligan, a character in James Joyce's 1922 novel Ulysses
• Buck O'Brien, protagonist in the film Chuck & Buck (2000)
• Buck Rogers, a science fiction hero introduced in a 1929 comic strip (with later adaptations in other media)
• Buck Russell, the title character in the film Uncle Buck (1989)
• Buck Tuddrussel, a character in the animated television series Time Squad (2001–2003)
• Buck Turgidson, a general in the film Dr. Strangelove (1964)
• Cameron "Buck" Williams, a reporter introduced in 1995 in the Left Behind multimedia franchise
• Gunnery Sergeant Edward Buck, a character introduced to the Halo franchise in the video game Halo 3: ODST (2009)
• Joe Buck, title character in the 1965 novel Midnight Cowboy (with later adaptations in other media)
• Sergeant Buck Frobisher, on the television series Due South (1994–1999)
• Buck Strickland, Hank's manager in King of The Hill (1997–2009)

• Buck (nickname), people nicknamed Buck
• Buck (surname), a list of people

• Buck Ellison (born 1987), American artist
• Buck Pierce (born 1981), Canadian football quarterback

• Buck 65, Canadian hip hop artist Richard Terfry
• Buck Angel, American trans man, adult film producer and performer Jake Miller (born 1972)
• Buck Dharma, American guitarist Donald Roeser (born 1947)
• Buck Henry, American actor, writer, and director Henry Zuckerman (1930–2020)
• Buck Jones, American film actor Charles Gebhart (1891–1942)
• Buck Owens, American singer and guitarist Alvis Owens Jr. (1929–2006)
• Young Buck, American rapper David Darnell Brown (born 1981)

• Bunkhouse Buck, American professional wrestler James Golden (born 1950)
• Buck Quartermain and Buck Q, American professional wrestler Jason Seguine (born 1967)
• Buck Zumhofe, an American professional wrestler Eugene Otto Zumhofe (born 1951)

• Buck Creek (disambiguation)
• Buck, Pennsylvania, an unincorporated community
• Buck Township, Hardin County, Ohio
• Buck Township, Luzerne County, Pennsylvania

• Buck (cocktail), an alcoholic mixed drink
• Buck (crater), on the planet Venus
• Buck (software), software for building other software
• Buck converter, a converter used to decrease (buck) DC voltage.
• USS Buck, several United States Navy ships

• Bucking, a movement by a horse when the animal kicks out with both hind legs
• Bucks (disambiguation)
• Bucky (disambiguation)
• Buk (disambiguation)
• All pages with titles containing Buck