| Official Name: | Šag |
| Settlement Type: | Village (Selo) |
| Pushpin Map: | Croatia Osijek-Baranja County#Croatia#Europe |
| Pushpin Label Position: | left |
| Coordinates: | 45.6333°N 46°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Croatia |
| Subdivision Type1: | Region |
| Subdivision Type2: | County |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Valpovo |
| Unit Pref: | Metric |
| Area Footnotes: | [1] |
| Area Total Km2: | 6.4 |
| Population As Of: | 2021 |
| Population Total: | 426 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
Šag is a village in Croatia. It is connected by the D34 highway.