St John's wort (disambiguation)

Saint-John's-wort or variants (named after John the Baptist) may refer to:

• The genus Hypericum, generally
• The species Hypericum perforatum ("perforate St. John's wort"), specifically
• The species Hypericum pulchrum ("slender Saint-John's-wort"), specifically
• Otogirisō, lit. St John's wort, a 1992 sound novel video game
  • Otogirisō (film) a 2001 Japanese horror film based on Otogirisō the game