| Puan | |
| Native Name: | Partido de Puan |
| Settlement Type: | Department |
| Coordinates: | -37.55°N -108°W |
| Subdivision Type: | Country |
| Subdivision Name: | Argentina |
| Established Title: | Established |
| Established Date: | July 28, 1886 |
| Founder: | Salvador Maldonado |
| Seat Type: | Seat |
| Seat: | Puan |
| Leader Party: | UCR |
| Leader Title: | Mayor |
| Leader Name: | Facundo Castelli |
| Unit Pref: | Metric |
| Area Total Km2: | 6835 |
| Population Total: | 16381 |
| Population Density Km2: | auto |
| Population Demonym: | puanense |
| Postal Code Type: | Postal Code |
| Postal Code: | B8180 |
| Postal2 Code Type: | IFAM |
| Postal2 Code: | BUE099 |
| Area Code Type: | Area Code |
| Area Code: | 02923 |
| Blank Name Sec1: | Patron saint |
| Blank Info Sec1: | Inmaculada Concepción de María |
Puan Partido is a partido in the south-west of Buenos Aires Province, Argentina.
The provincial subdivision has a population of about 16,000 inhabitants in an area of 6835sqkm, and its capital city is Puan, which is around 575km (357miles) from Buenos Aires.
The economy of Puan Partido is dominated by agriculture. The main crops are wheat, barley, and oats, which are processed in the Maltería Pampa (Pampa brewery), which is one of the largest breweries in South America.
Other agricultural products of the region are sunflowers, soya beans, and maize. Beef farming also plays a major role in the rural economy; the main breeds are Aberdeen Angus and Polled Hereford.
| Settlement | Foundation | Railway | |
|---|---|---|---|
| Azopardo | March 8, 1904 | Jan 1906 | |
| Bordenave | November 10, 1906 | ||
| Darregueira | October 5, 1906 | ||
| Estela | December 1908 | ||
| Felipe Solá | January 20, 1908 | January 1906 | |
| López Lecube | October 1906 | ||
| Puan | June 5, 1876 | ||
| Rivadeo | December 1908 | ||
| Rondeau | February 1891 | ||
| San Germán | March 23, 1909 | ||
| Tres cuervos | January 20, 1908 | ||
| Víboras | Jan 1906 | ||
| Villa Castelar (Erize) | May 1899 | ||
| Villa Durcudoy (17 de agosto) | August 17, 1904 | ||
| Villa Iris | May 27, 1900 |