| Leandro N. Alem | |
| Native Name: | Departamento Leandro N. Alem |
| Settlement Type: | Department |
| Subdivision Type: | Country |
| Subdivision Name: | Argentina |
| Established Title: | Established |
| Seat Type: | Seat |
| Seat: | Leandro N. Alem |
| Leader Title: | Mayor |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
| Postal Code Type: | Postal Code |
| Area Code Type: | Area Code |
Leandro N. Alem is a department of the province of Misiones, Argentina. It borders the departments of Capital, Oberá, Candelaria, Apóstoles, Concepción, and San Javier.
The department covers an area of 1,070 km², equivalent to 3.6% of the total province area. Its population is 45,075 (2010 census, INDEC).[1] [2]