| Official Name: | Baldia |
| Native Name: | বলদিয়া |
| Settlement Type: | Union |
| Pushpin Map: | Bangladesh |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Bangladesh |
| Subdivision Type: | Country |
| Subdivision Name: |  Bangladesh |
| Subdivision Type1: | Division |
| Subdivision Name1: | Barisal Division |
| Subdivision Type2: | District |
| Subdivision Name2: | Pirojpur District |
| Unit Pref: | Imperial |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Timezone: | Bangladesh Time |
| Utc Offset: | +6 |
| Coordinates: | 22.7542°N 90.072°W |
Baldia is a Union in Pirojpur District under Nesarabad (Swarupkati) Upazila in the Barisal Division of southwestern Bangladesh.[1]