| Settlement Type: | City |
| Official Name: | Alejandro Korn |
| Pushpin Map: | Argentina Greater Buenos Aires#Argentina |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Greater Buenos Aires |
| Pushpin Mapsize: | 240 |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Buenos Aires |
| Subdivision Type2: | Partido |
| Subdivision Name2: | San Vicente |
| Established Title: | Founded |
| Established Date: | August 14, 1865 |
| Population Total: | 21,407 |
| Coordinates: | -34.9667°N -80°W |
| Elevation M: | 22 |
| Postal Code Type: | CPA Base |
| Postal Code: | B 1864 |
| Area Code: | +54 2225 |
Alejandro Korn, usually known as Korn, is a city in the Buenos Aires Province, Argentina, located in the San Vicente Partido.
The settlement was founded on August 14, 1865, and renamed in honour of Alejandro Korn (1860 — 1935), an Argentine psychiatrist, philosopher, and reformist.