| Official Name: | Puerto Aysén |
| Coordinates: | -45.4°N -113°W |
| Pushpin Map: | Chile Aysén#Chile |
| Pushpin Map Narrow: | yes |
| Pushpin Label Position: | bottom |
| Pushpin Map Alt: | Location in Chile |
| Pushpin Map Caption: | Location in Chile |
| Subdivision Type: | Region |
| Subdivision Name: | Aysén |
| Subdivision Type1: | Province |
| Subdivision Name1: | Aysén |
| Subdivision Type2: | Municipalidad |
| Subdivision Name2: | Aysén |
| Subdivision Type3: | Comuna |
| Subdivision Name3: | Aysén |
| Government Type: | Municipalidad |
| Leader Title: | Alcalde |
| Leader Name: | Óscar Catalán Sánchez |
| Population As Of: | 2017 census http://www.ine.cl/canales/chile_estadistico/demografia_y_vitales/demografia/demografia.php |
| Population Total: | 27,644 |
| Timezone: | CLT |
| Utc Offset: | −04:00 |
| Timezone Dst: | CLST |
| Utc Offset Dst: | −03:00 |
| Area Code: | Country + town = 56 + 67 |
| Blank Name: | Climate |
| Blank Info: | Cfb |
Puerto Aysén is a city of Chile located in the Aysén del General Carlos Ibáñez del Campo Region, 4km (02miles) above the head of Aisén Fjord in the country's extreme south. Puerto Aisén, which is the capital city of both the Aysén Province and the commune of Aisén is located 65km (40miles) from the Regional Capital of Coyhaique, and 15km (09miles) from the port of Puerto Chacabuco, main entry point to Puerto Aisén by sea. The main tourist attraction is Lagoon San Rafael.
Originally settled around 1914, it was officially recognized as a city on January 28, 1928. It numbers around 27,644 inhabitants (as of the 2017 census).
Fisheries and tourism are the main economic activities. The port of Chacabuco serves passenger ferries but also cargo traffic: fuel and other necessities are imported while live cattle and other agricultural produce are exported. The city is surrounded by several power plants, both hydro- and thermal powered.
Puerto Aysén has an oceanic climate (Köppen climate classification: Cfb) with high rainfall throughout the year (and one of Chile's wettest places). Typical of oceanic climates, precipitation peaks in late fall and early winter. The highest temperature recorded is 35.3C in February 2019 [1] while the lowest is -8.9C in June 1965.