| Kotlina | |
| Native Name: | [1] |
| Settlement Type: | Village (Selo) |
| Pushpin Map: | Croatia Osijek-Baranja County#Croatia#Europe |
| Pushpin Map Caption: | Location of Kotlina in Croatia |
| Pushpin Label: | Kotlina |
| Coordinates: | 45.7833°N 18.7333°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Croatia |
| Subdivision Type1: | Region |
| Subdivision Name1: | Baranya (Podunavlje) |
| Subdivision Type2: | County |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Kneževi Vinogradi |
| Area Footnotes: | [2] |
| Area Total Km2: | 11.6 |
| Population As Of: | 2021 |
| Population Total: | 203 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
Kotlina (Hungarian: Sepse; Serbian: Koтлина)[3] is a settlement in the region of Baranja, Croatia. Administratively, it is located in the Kneževi Vinogradi municipality within the Osijek-Baranja County. The population is 334 people.