Beastmaster may refer to:

• The Beast Master, a 1959 novel by Andre Norton
• The Beastmaster (film), a 1982 film loosely based on the novel
  • Beastmaster 2: Through the Portal of Time
  • Beastmaster III: The Eye of Braxus
• Beastmaster (TV series), a 1999 television series based on the 1982 film
• "Beastmaster", one of several Final Fantasy character classes
• Beast Master (manga), a manga created by the artist Kyousuke Motomi
• "Beastmaster", an X-Wild song from the album So What
• Ultimate Beastmaster, a Netflix reality TV show