| Tibau | |
| Settlement Type: | Municipality |
| Official Name: | The Municipality of Tibau |
| Nickname: | "A praia de Mossoró" ("The Beach of Mossoró") and "Tibau do Norte" ("North Tibau") |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Type2: | State |
| Subdivision Name: |  Brazil |
| Subdivision Name1: | Northeast |
| Subdivision Name2: | Rio Grande do Norte |
| Leader Title: | Mayor |
| Leader Name: | Francisco Nilo Nolasco |
| Established Title: | Founded |
| Established Date: | 1997 |
| Area Total Km2: | 162.402 |
| Population As Of: | 2020 [1] |
| Population Total: | 4,140 |
| Population Density Km2: | 25.0 |
| Timezone: | BRT |
| Utc Offset: | -3 |
| Coordinates: | -4.8369°N -37.2528°W |
| Blank Name: | HDI (2000) |
| Blank Info: | 0.788 – medium[2] |
Tibau is the northernmost city in the Brazilian state of Rio Grande do Norte. It is also the last coastal city (going east–west) of that state before Ceará. One of the main sources of income for the city is within the fishing and farming industry.