Koyunbaba is a Turkish nickname with the epithet meaning "sheep father". It may refer to:

• Koyunbaba, a 15th-century Turkish saint named Seyit Ali
• Koyunbaba Bridge, a historic arch bridge at Osmancık, Çorum in Turkey
• Koyunbaba, Kalecik, a village in Kalecik district of Ankara Province, Turkey

This disambiguation page lists articles associated with the title Koyunbaba.
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