title: Oin
text: # Oin
  
  Oin, Óin or OIN may refer to:
  
  ## Folklore and fiction
  
  * Óin, son of Gróin, a Dwarf from J. R. R. Tolkien's writings, companion of Thorin Oakenshield
  * Oin-Oin, a character of Swiss folklore
  
  ## Other
  
  * Open Invention Network, a company specialising in patent with Linux
  * Oneida Indian Nation, the New York tribe that operates Turning Stone Resort & Casino
  * One language, specifically Inebu, by ISO 639-3 code
  