| Official Name: | Tomačevica |
| Pushpin Map: | Slovenia |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Slovenia |
| Subdivision Type: | Country |
| Subdivision Name: | Slovenia |
| Subdivision Type1: | Traditional region |
| Subdivision Name1: | Slovene Littoral |
| Subdivision Type2: | Statistical region |
| Subdivision Name2: | Coastal–Karst |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Komen |
| Area Total Km2: | 4.21 |
| Population As Of: | 2002 |
| Population Total: | 160 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Coordinates: | 45.8167°N 13.7732°W |
| Elevation M: | 264.8 |
Tomačevica (in Slovenian pronounced as /tɔˈmaːtʃɛʋitsa/) is a village east of Komen in the Littoral region of Slovenia.[1] According to the 2002 census, it has a population of 160.[2]