An alchemist is a person who practices alchemy.
Alchemist or Alchemyst may also refer to:
Books and stories
- The Alchemist (novel), the translated title of a 1988 allegorical novel by Paulo Coelho
- The Alchemist (play), a play by Ben Jonson
- "The Alchemist" (short story), a 1908 short story by H. P. Lovecraft
- The Alchemist, a 2002 novel by Donna Boyd
- The Alchemist, a science fiction novelette by Charles L. Harness
- The Alchemists, a 1984 science fiction novel by Geary Gravel
- Fullmetal Alchemist, the English title of a series of Japanese manga and anime by Hiromu Arakawa
- The Neutronium Alchemist (1997), a book in The Night's Dawn Trilogy by Peter F. Hamilton
- The Alchemyst: The Secrets of the Immortal Nicholas Flamel, a 2007 fantasy novel by Michael Scott
- The Alchemist, a villain in Larryboy: The Cartoon Adventures, a spinoff of VeggieTales
- Element Lad, a comic superhero sometimes known by the codename "Alchemist"
- A recurring character on The Venture Bros.
- A character in Super Robot Monkey Team Hyperforce Go!
Film, stage, and television
- The Alchemist (film), a 1986 horror film
- The Alchemist (play), a 17th-century play by Ben Jonson
- "The Alchemist" (The Blacklist), a 2014 episode from TV series The Blacklist
- Alchemist (band), an Australian progressive metal band
- The Alchemist (musician), American record producer and DJ
- The Alchemist (Home album), a 1973 album by Home
- The Alchemist (Witchcraft album), a 2007 album by Swedish doom metal band Witchcraft
- The Alchemist (John Zorn album), the 2014 album by composer John Zorn
- The Alchemist (Handel), incidental music for a 1710 production of Ben Jonson's play
- Alchemist, a 2012 electronic album by Aleksander "Savant" Vinter
- "Alchemist", a song by Russell Watson on the 2004 album Amore Musica
- "Alchemist", a song by Kasabian from the 2022 album The Alchemist's Euphoria
- "The Alchemist", a song by Bruce Dickinson from his 1998 album The Chemical Wedding
- "The Alchemist", a song by Nebula from their 2006 album Apollo
- "The Alchemist", a song by Iron Maiden from their 2010 album The Final Frontier
- "The Alchemist", a song by Blue Öyster Cult from their 2020 album The Symbol Remains
- "The Alchemist.", a song by Lil Yachty from his 2023 album Let's Start Here.
- Alchemist (company), a Japanese video game developer
- Arc Alchemist series, Series of GPU by Intel
- Alchemist (video game), a 1983 ZX Spectrum game
- Alchemist Brewery, an American brewery
- SS Alchymist, a British coaster
- A recurring job class in the Final Fantasy series
- Alchymist (Catephia alchymista), a moth