Koyuncu is a Turkish name, meaning "sheep farmer." It may refer to:
People Kâzım Koyuncu (1972–2005), Turkish singer-songwriter Kemal Koyuncu (born 1985), Turkish runner
Places Koyuncu, Göynücek, a village in the district of Göynücek, Amasya Province, Turkey Koyuncu, Seyhan, a village in the district of Seyhan, Adana Province, Turkey
See also Koyuncular (disambiguation)