| Lavalle Department | |
| Native Name: | Departamento Lavalle |
| Settlement Type: | Department |
| Coordinates: | -29.0167°N -69°W |
| Subdivision Type: | Country |
| Subdivision Name: | Argentina |
| Established Title: | Established |
| Seat Type: | Seat |
| Seat: | Lavalle |
| Leader Title: | Mayor |
| Unit Pref: | Metric |
| Area Total Km2: | 1,480 |
| Population Total: | 26,250 |
| Population Density Km2: | auto |
| Postal Code Type: | Postal Code |
| Postal Code: | W3443 |
| Area Code Type: | Area Code |
| Area Code: | 03777 |
Lavalle Department is a department of Corrientes Province in Argentina.
The provincial subdivision has a population of about 26,250 inhabitants in an area of, and its capital city is Lavalle.