| Settlement Type: | Town |
| Official Name: | Leandro N. Alem |
| Pushpin Map: | Argentina |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Argentina |
| Pushpin Mapsize: | 200 |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | 24px Buenos Aires |
| Subdivision Type2: | Partido |
| Subdivision Name2: | Leandro N. Alem |
| Established Title: | Founded |
| Population Total: | 2,541 |
| Coordinates: | -34.5°N -84°W |
| Elevation M: | 70 |
| Postal Code Type: | CPA Base |
| Postal Code: | B 6032 |
| Area Code: | +54 2362 |
Leandro N. Alem is a town in the, and the only municipality forming the partido (department) of the same name. At the it had a population of 16,358 inhabitants.
The city is named after Leandro Alem (1844 - 1896), one of the founders of the Radical Civic Union.