| Settlement Type: | City |
| Official Name: | Ensenada |
| Pushpin Map: | Argentina |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Argentina |
| Pushpin Mapsize: | 240 |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Buenos Aires |
| Subdivision Type2: | Partido |
| Subdivision Name2: | Ensenada |
| Established Title: | Founded |
| Established Date: | 1801 |
| Population As Of: | 2010 census |
| Population Total: | 54,463 |
| Coordinates: | -34.8644°N -57.9103°W |
| Elevation M: | 4 |
| Postal Code Type: | CPA Base |
| Postal Code: | B 1925 |
| Area Code: | +54 221 |
Ensenada (pronounced as /es/) is a city and port in Buenos Aires Province, Argentina, located around the Ensenada de Barragán. It has 31,031 inhabitants as per the . It is the capital of Ensenada Partido, andtogether with Berisso Partido they are the main suburbs of the Gran La Plata conurbation around the provincial capital of La Plata.
The port of Ensenada carries grain and beef exports, as well as industrial shipments. The volume traded has been recently growing at the expense of the Buenos Aires port, located 60 km to the north-west.
As Buenos Aires city authorities are considering repurposing the port of Buenos Aires as a passenger-only facility, the volume at Ensenada (as well as that of the ports in Campana and Bahía Blanca) is slated to experience further growth.