Seon may refer to:

  • Seon, Switzerland, a municipality in the canton of Aargau
  • Seon, a type of arranged marriage in South Korea
  • Korean Seon, a Zen school of Korean Buddhism
  • Seon (food), steamed vegetable dishes with fillings in Korean cuisine
  • Seon (Korean name), including a list of people with the name
  • Seon, Anglicisation of Gaelic forename Seán or Seathan (other Anglicisations include Sean, Shane, Eathain, Iain, and Ian, Shaun, and Shawn).
  • Seon, like Sheehan, an Anglicised form Gaelic surname Ó Síocháin.