title: Oei
text: # Oei
  
  OEI or Oei can refer to:
  
  ## OEI
  
  * Obsidian Entertainment, Inc., a video game developer
  * Organization of Ibero-American States, known by the Spanish and Portuguese-derived acronym, OEI
  * Ozarks Entertainment, Inc., a former owner of the Dogpatch USA amusement park in the United States
  
  ## Oei
  
  * Ōei, a Japanese era name spanning from 1394 to 1428
  
  ### Surname
  
  * David Oei, Hong Kong-born American classical pianist
  * Madame Wellington Koo (born Oei Hui-lan), Chinese-Indonesian international socialite and style icon, briefly First Lady of the Republic of China
  * Oei Tiong Ham, Majoor-titulair der Chinezen, colonial Chinese-Indonesian tycoon in Southeast Asia
  * Oei Wie Gwan, Chinese-Indonesian businessman and founder of Djarum
  