Kosov may refer to:

• Kosov (Hasidic dynasty)

• Kosov (Šumperk District), a municipality and village in the Olomouc Region
• Kosov, a village and part of Bor (Tachov District) in the Plzeň Region
• Kosov, a village and part of Jihlava in the Vysočina Region
• Kosov, a village and part of Kamenný Újezd (České Budějovice District) in the South Bohemian Region
• Košov, a village and part of Lomnice nad Popelkou in the Liberec Region

• Kosov (surname)

• Kosiv, a city in Ukraine
• Kosovo