Koyunoğlu is a village in Alaca District, in Çorum Province, Türkiye. Koyunoğlu lies at 1,216 m above sea level, 0.5 km from the Kırlar Dağı mountains. It has 116 inhabitants. The nearest city is Çorum, 28 km to the north. Among the landmarks around are Hattusa (39 km), Alaca Höyük (17.8 km) and Yazılıkaya (38 km).