| Floriano | |
| Settlement Type: | Municipality |
| Nickname: | Princesa do Sul |
| Motto: | Labor signum nostrum est — Work is our sign |
| Mapsize: | 250px |
| Image Map1: | Brazil State Piaui.svg |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Type2: | State |
| Subdivision Name: |  Brazil |
| Subdivision Name1: | Northeast |
| Subdivision Name2: | Piauí |
| Leader Title: | Mayor |
| Leader Name: | Antônio Reis Neto (/Democracia Cristâ, 2021 – 2024) |
| Established Title: | Founded |
| Established Date: | July 8, 1897 |
| Area Total Km2: | 3409.664 |
| Population As Of: | 2020 [1] |
| Population Total: | 60,025 |
| Population Density Km2: | 17.2 |
| Timezone: | BRT |
| Utc Offset: | -3 |
| Coordinates: | -6.7669°N -43.0228°W |
| Elevation M: | 112 |
| Postal Code Type: | Postal Code |
| Blank Name: | HDI |
| Blank Info: | 0.711 – medium [2] |
| Website: | http://www.floriano.pi.gov.br |
Floriano is a Brazilian municipality in the state of Piauí.It was founded by the Arabs and Syrians. It is situated in the physiographic zone of the Médio Parnaíba, on the right side of the Parnaíba River, in front of the city of Barão de Grajaú, in the Maranhão. It is also intersected by the rivers Gurguéia and Itaueira.