| Dagda | |
| Settlement Type: | Town |
| Flag Size: | 150px |
| Subdivision Type: | Country |
| Subdivision Name: |  Latvia |
| Subdivision Type1: | Municipality |
| Subdivision Name1: | Krāslava Municipality |
| Established Title: | Town rights |
| Established Date: | 1992 |
| Pushpin Map: | Latvia |
| Pushpin Label Position: | above |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Latvia |
| Coordinates: | 56.0833°N 59°W |
| Leader Title: | Mayor |
| Leader Name: | Viktors Stikuts |
| Leader Title1: | City council |
| Leader Name1: | 9 members |
| Population Density Km2: | auto |
| Postal Code Type: | Postal code |
| Postal Code: | LV-5674 |
| Area Code Type: | Calling code |
| Area Code: | +371 656 |
| Timezone1: | EET |
| Utc Offset1: | +2 |
| Timezone1 Dst: | EEST |
| Utc Offset1 Dst: | +3 |
| Blank Name Sec1: | Climate |
| Blank Info Sec1: | Dfb |
Dagda is a town in Dagda Parish, Krāslava Municipality in the Latgale region of Latvia, near the country's border with Belarus. It is the administrative center of Dagda Parish.
Dagda has a humid continental climate (Köppen Dfb).In March 1972, the deepest ground frost in Latvia was registered in Dagda - .