| Official Name: | Pau dos Ferros |
| Nickname: | Princesinha do Oeste (Princess of the West) and PDF |
| Settlement Type: | The Municipality of Pau dos Ferros |
| Mapsize: | 250px |
| Pushpin Map: | Brazil |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Brazil |
| Subdivision Type: | Country |
| Subdivision Name: |  Brazil |
| Subdivision Type1: | Region |
| Subdivision Name1: | Nordeste |
| Subdivision Type2: | State |
| Subdivision Name2: | Rio Grande do Norte |
| Subdivision Type3: | Mesoregion |
| Subdivision Name3: | Oeste Potiguar |
| Subdivision Type4: | Microregion |
| Subdivision Name4: | Pau dos Ferros |
| Leader Title: | Prefeita |
| Leader Name: | Marianna Almeida |
| Unit Pref: | Metric |
| Area Total Km2: | 259.959 |
| Area Note: | [1] |
| Population As Of: | 2020 [2] |
| Population Total: | 30,600 |
| Population Density Km2: | 106.73 |
| Population Demonym: | Pauferrense |
| Timezone: | BRT |
| Utc Offset: | -3 |
| Coordinates: | -6.1108°N -38.2089°W |
| Elevation Footnotes: | [3] |
| Elevation M: | 193 |
| Postal Code Type: | Postal Code |
| Postal Code: | 59900-000 |
| Area Code: | (+55) 84 |
| Website: | www.paudosferros.rn.gov.br |
Pau dos Ferros is a municipality in the homonymous microregion, in Rio Grande do Norte state, Northeast Brazil.[4]
The city was founded on September 4, 1856, initially as a village and then the town today is a city that has as its main form of economy the industrial sector and to a lesser extent agriculture.[5]