| Official Name: | Štjak |
| 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: | 1.74 |
| Population As Of: | 2002 |
| Population Total: | 50 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Coordinates: | 45.795°N 13.9057°W |
| Elevation M: | 518.1 |
| Footnotes: | [1] |
Štjak (in Slovenian pronounced as /ˈʃtjaːk/; Italian: San Giacomo in Colle) is a village in the Municipality of Sežana in the Littoral region of Slovenia.[2]
The settlement was first mentioned in written sources circa 1400 as bey sand Jacob. The Slovene name Štjak is a contraction of š(en)t Jak(ob) 'Saint James', to whom the local church is dedicated.[3]
The parish church in the settlement is dedicated to Saint James and belongs to the Diocese of Koper.[4]