IYO

Iyo may refer to:

People

 * Iyo Araki, Japanese nurse and nursing educator
 * Iyo Matsumoto (松本 伊代), Japanese pop idol
 * Iyo Sky (イヨ・スカイ), ring name of Japanese professional wrestler
 * Iyo, legendary Japanese queen, also called Taiyoo

Places

 * Iyo, Benin. a village in the commune of Bassila
 * Iyo, Ehime, a city located in Ehime Prefecture
 * Iyo District, Ehime, a district located in Ehime Prefecture
 * Iyo Province, a province of Japan in the area of northwestern Shikoku
 * Iyo-Matsuyama Domain, a feudal domain
 * Iyo-Yoshida Domain

Other uses

 * Iyo dialect, a dialect of Japanese spoken by people from Ehime Prefecture
 * Iyo Bank Vertz, a Japanese women's softball team
 * Iyotetsu, also called Iyo Railway Co., Ltd., the main transport provider in Matsuyama, Ehime, Shikoku, Japan
 * Iyo language, New Guinea
 * Iyo a character from Ani-Yoko