| Official Name: | Kazlje |
| Pushpin Map: | Slovenia |
| Pushpin Label Position: | top |
| Pushpin Map Caption: | Location in Slovenia |
| Subdivision Type: | Country |
| Subdivision Name: | Slovenia |
| Subdivision Type1: | Traditional region |
| Subdivision Name1: | Littoral |
| Subdivision Type2: | Statistical region |
| Subdivision Name2: | Coastal–Karst |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Sežana |
| Area Total Km2: | 7.25 |
| Population As Of: | 2002 |
| Population Total: | 168 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Coordinates: | 45.7639°N 13.9084°W |
| Elevation M: | 338.5 |
| Footnotes: | [1] |
Kazlje (in Slovenian pronounced as /ˈkaːzljɛ/) is a village in the Municipality of Sežana in the Littoral region of Slovenia.[2]
The local church, built just outside the settlement, is dedicated to Saint Lawrence and belongs to the Parish of Tomaj.[3]