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 (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