Koyo

Koyo may refer to:


 * Kōyō, a masculine Japanese given name
 * Koyo Electronics Corporation Limited, a Japanese electronics corporation
 * Koyo language (disambiguation)
 * Koyō, a French music producer
 * Koyo (band), an American punk rock band
 * 5591 Koyo, a main-belt asteroid
 * KOYO-LP, a low-power radio station (107.1 FM) licensed to serve Oroville, California, United States
 * Koyö, a French music producer
 * Koyo Loans, a UK personal loan lender