Iwashiro

Iwashiro may refer to:


 * Iwashiro Province, a former province of Japan
 * Iwashiro, Fukushima, a former town in Adachi District, Fukushima Prefecture, Japan
 * Iwashiro Station, a railway station in Wakayama Prefecture, Japan

People with the surname

 * Taro Iwashiro (岩代 太郎), Japanese composer
 * Toshiaki Iwashiro (岩代 俊明), Japanese manga artist