| Tres Arroyos | |
| Native Name: | Partido de Tres Arroyos |
| Settlement Type: | Department |
| Image Blank Emblem: | Tres arroyos municipio logo.png |
| Blank Emblem Size: | 200 |
| Coordinates: | -38.3667°N -76°W |
| Subdivision Type: | Country |
| Subdivision Name: | Argentina |
| Established Title: | Established |
| Established Date: | 1884 |
| Founder: | Dardo Rocha |
| Seat Type: | Seat |
| Seat: | Tres Arroyos |
| Leader Party: | Partido Vecinal |
| Leader Title: | Mayor |
| Leader Name: | Carlos Sánchez |
| Unit Pref: | Metric |
| Area Total Km2: | 5681 |
| Population Total: | 57244 |
| Population Density Km2: | auto |
| Population Demonym: | arroyense |
| Postal Code Type: | Postal Code |
| Postal Code: | B7500 |
| Postal2 Code Type: | IFAM |
| Postal2 Code: | BUE127 |
| Area Code Type: | Area Code |
| Area Code: | 02983 |
| Blank Name Sec1: | Patron saint |
| Blank Info Sec1: | ? |
The partido of Tres Arroyos is a subdivision of the Province of Buenos Aires in Argentina. On the Atlantic coast of the province, it was created in 1882 by the provincial government when they divided the territory of Tres Arroyos into the partidos of Coronel Suárez, Tres Arroyos and Coronel Pringles.
It has a population of about 62,000 inhabitants in an area of 5681sqkm, and its capital city is Tres Arroyos, which is around 580km (360miles) from Buenos Aires.
Tres Arroyos is home of Huracán de Tres Arroyos Huracán de Tres Arroyos, a local institution with a professional football team that play in the third category of the Argentine football (Argentino A).
In 2004-2005 Huracán TA played in the First Division of Argentine football, in an historic event for a small country city club.