| Pinheiro Machado | |
| Settlement Type: | Municipality |
| Nickname: | Nacional capital of sheep barbecue |
| Pushpin Map: | Brazil |
| Pushpin Map Caption: | Location in Brazil |
| Coordinates: | -31.5778°N -53.3725°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Brazil |
| Subdivision Type1: | State |
| Subdivision Type2: | Mesoregion |
| Subdivision Type3: | Microregion |
| Subdivision Name1: | Rio Grande do Sul |
| Subdivision Name2: | Sudoeste Rio-grandense |
| Subdivision Name3: | Serras de Sudeste |
| Established Title: | Founded |
| Established Date: | May 2, 1879 |
| Leader Title: | Mayor |
| Leader Name: | Ronaldo Costa Madruga |
| Area Total Km2: | 2248.221 |
| Elevation M: | 436 |
| Population Total: | 12,195 |
| Population As Of: | 2020 [1] |
| Population Density Km2: | auto |
| Timezone: | BRT |
| Utc Offset: | -3 |
Pinheiro Machado (pronounced as /pt/) is a municipality in the state of Rio Grande do Sul, Brazil.
Pinheiro Machado is one of the most ancient towns in the state of Rio Grande do Sul. Until 1830, the area was owned by the city of Rio Grande. After it became a part of Piratini city, separating on February 24, 1879, by the name of Nossa Senhora da Luz, or Nossa senhora da Luz das Cacimbinhas.The occupation of this town, according to records, began by the brigadier Rafael Pinto Bandeira, about 1765. The first inhabitants were the azorean Tomás Antonio de Oliveira and José Dutra de Andrade, who owned "allotments" (Portuguese: sesmaria (pt)) of land at Coxilha do Veleda, in 1790. According to the legend, Dutra de Andrade had lost his vision and then, he made a promise that if he would recover his vision washing his eyes on the miraculous water of the well located there, he would order the building of a chantry in honor of Nossa Senhora Aparecida and so, the miracle happened. After the chantry, a parsonage was created in 1851.
Pinheiro Machado is located at latitude 31º34'42"S and longitude 53º22'52"W, at an altitude of .
It has an area of and the population in 2020 was 12,195.
The relief, located in a plateau known as Serras de Sudeste, is a rather irregular, specially the Passarinho's Hill, Veleda's Hill and Asperezas Hill. Also highlights the formation of countless hills, mainly in the second district. The soil is characterized by shallow, with the presence of rock outcroppings.
The climate of Pinheiro Machado is oceanic (Cfb, according to the Köppen climate classification), with warm summers and cool winters (with high occurrence of frost), with annual temperature of about . The hottest month is January, with average temperature of, while the coldest month is July, with average temperature of . The annual rainfall is of about, with rains regularly distributed during the year. Snowfalls are not uncommon in the city, and can occur about one or twice a decade. The last snowfalls occurred on September 4, 2006 and on September 5, 2008, with moderate snowfall during the afternoon. Frosts and sleet are more common.