| Settlement Type: | city |
| Official Name: | Ipiaú |
| Mapsize: | 275px |
| Pushpin Map: | Brazil |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Type2: | State |
| Subdivision Name1: | Nordeste |
| Subdivision Name2: | Bahia |
| Leader Title: | Mayor |
| Leader Name: | Maria das Graças Mendonça |
| Established Title: | Founded |
| Established Date: | 1913 |
| Established Title2: | Incorporated (town) |
| Established Date2: | 1 August 1916 |
| Established Title3: | Incorporated (city) |
| Established Date3: | 2 December 1933 |
| Area Total Km2: | 280.454 |
| Population As Of: | 2020 [1] |
| Population Total: | 45,922 |
| Population Density Km2: | 166.05 |
| Timezone: | BRT |
| Utc Offset: | -3 |
| Coordinates: | -14.1369°N -39.7339°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 45.570-000 |
Ipiaú is a city in Bahia, Brazil. The city is located at the confluence of the Contas River and the Água-Branca River (White-water River).
Ipiaú is bordered, in counterclockwise fashion, by Ibirataia and Jequié to the north, Aiquara and Jitaúna to the west, Ibirataia and Barra do Rocha to the east and Itagibá to the south.
The city is an important producer and exporter of cacao in Brazil.
It is the birthplace of notable Brazilians, such as Euclides Neto and Luiz Caldas.