Amethyst is a semi-precious form of quartz.
Amethyst or Améthyste may also refer to:
Fiction Amethyst, Princess of Gemworld, comics franchise Amethyst Van Der Troll, from Trollz animation series Bewitching Smile Amethyst, an attribute of Shizuru Fujino in animation franchise My-Otome Amethyst (Steven Universe), a fictional character from Steven Universe
Ships HMS Amethyst, various British warships USS Amethyst (PYc-3), of the US (1940s) HMT Amethyst, a 1934 naval trawler Améthyste, Haitian warship, a.k.a. French frigate Félicité French submarine Améthyste (S605), a 1988 nuclear-powered submarine
Music Adam and the Amethysts, Canadian band led by Adam Waito Amethyst (Billy Hart album), 1993 Amethyst (mixtape), a 2015 mixtape by Tinashe "Amethyst", single by The Awakening from The Fourth Seal of Zeen "Amethyst", song by Yoshiki "Amethyst", song by Fightstar from They Liked You Better When You Were Dead "Amethyst", song by Scott Weiland and the Wildabouts from Blaster “Amethyst”, song by Deafheaven from their 2025 album Lonely People with Power
Other uses Amethyst (color) Amethyst (given name) Amethyst Initiative, American activist organization Browallia americana, plant also known as Amethyst flower Amethyst gas field, gas field in the UK Amethyst, Russian anti-ship missile Brand name for a type of birth control that includes ethinylestradiol/levonorgestrel Amethyst (drag queen), American drag queen