| Official Name: | Šaš |
| Settlement Type: | Village |
| Pushpin Map: | Croatia |
| Pushpin Map Caption: | Location of Šaš in Croatia |
| Pushpin Label Position: | bottom |
| Coordinates: | 45.2719°N 16.68°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Continental Croatia (Banovina) |
| Subdivision Type2: | County |
| Subdivision Name2: | Sisak-Moslavina |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Sunja |
| Unit Pref: | Metric |
| Area Footnotes: | [1] |
| Area Total Km2: | 32.1 |
| Elevation M: | 100 |
| Population As Of: | 2021 |
| Population Total: | 168 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 44222 Šaš |
| Area Code: | (+385) 44 |
Šaš is a village in central Croatia, in the municipality of Sunja, Sisak-Moslavina County. It is located in the Banija region.
According to the 2011 census, the village of Šaš has 307 inhabitants. This represents 41.77% of its pre-war population.
The 1991 census[2] recorded that 81.77% of the village population were ethnic Serbs (601/735), 10.75% were ethnic Croats (79/735), 5.44% were Yugoslavs (40/735) while 2.04% were of other ethnicity (15/735).