Yi Prefecture or Yizhou may refer to: Yizhou (Southwest China) (), a historical province of China covering Southwest China Yi Prefecture (Shandong) (), active between the 7th and 18th centuries Yi Prefecture (Guangxi) (), active between the 7th and 13th centuries Yi Prefecture (Hebei) Yi Prefecture (Korea), now known as Uiju or Uiju County Yizhou District, Hechi (), district of Hechi, Guangxi named after the historical prefecture Yizhou District, Hami (), district of Hami, Xinjiang Yizhou (island) (), an island described in historical texts that is possibly Taiwan See also Yi (disambiguation)