| Official Name: | Šašinci |
| Settlement Type: | Village (Selo) |
| Pushpin Map: | Serbia Vojvodina#Serbia#Europe |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name: |  Serbia |
| Subdivision Type1: | Province |
| Subdivision Type2: | Region |
| Subdivision Name2: | Syrmia |
| Subdivision Type3: | District |
| Subdivision Name3: | Srem |
| Subdivision Type4: | Municipality |
| Subdivision Name4: | Sremska Mitrovica |
| Unit Pref: | Imperial |
| Population As Of: | 2002 |
| Population Total: | 1,830 |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Coordinates: | 44.9667°N 64°W |
Šašinci is a village in Serbia. It is located in the Sremska Mitrovica municipality, in the Srem District, Vojvodina province. The village has a Serb ethnic majority and its population numbering 1,830 people (2002 census).
In Serbian, the village is known as Šašinci (Шашинци), in Croatian as Šašinci, and in Hungarian as Sasinc. The name of the village in Serbian is plural.