Kosov can refer to:
- Kosov (Hasidic dynasty)
- places in the Czech Republic:
- Kosov (Šumperk District) in the Olomouc Region
- located at 49.7 N, 12.8333333 E, a city part of the town Bor
- located at 48.8833 N, 14.433 E, pop.: 9212
- located at 50.5166 N, 15.35 E, pop.: 9755
- located at 49.3833 N, 15.633 E, pop.: 9094
- located at 49.883 N, 16.8 E, pop.: 9444
- places in Ukraine:
- Kosov (Ternopil), located at 49.1 N, 25.633 E, pop.:8703
- Kosiv, (Ukrainian: Косiв, Polish: Kosów, Romanian: Cosău), located at 48.31 N, 25.095277 E pop.: 9901, a city located in the Ivano-Frankivsk Oblast, in western Ukraine.
- places in Russia:
- located at 53.989722 N, 37.62944 E, pop. 1209 (Tulskaya oblast)
- located at 48 N, 41 E. pop: 1209 (Rostovskaya oblast)
- Kosov is also a Russian name.