Iwaya

Iwaya is a surname. Notable people with the surname include:


 * Mihoko Iwaya (岩屋 美保子), Japanese footballer
 * Naomine Iwaya (岩谷 高峰), Japanese alpine skier
 * Shogo Iwaya (岩谷 翔吾), Japanese dancer and actor
 * Takeshi Iwaya (岩屋 毅), Japanese politician
 * Toru Iwaya (岩谷 徹), Japanese mezzotint engraver and painter