| Official Name: | Bidania-Goiatz |
| Pushpin Map: | Spain Basque Country |
| Pushpin Map Caption: | Location of Bidania-Goiatz within the Basque Country |
| Coordinates: | 43.1408°N -2.1583°W |
| Subdivision Type: | Country |
| Subdivision Name: | Spain |
| Subdivision Type1: | Autonomous community |
| Subdivision Name1: | Gipuzkoa |
| Subdivision Type2: | Province |
| Area Total Km2: | 13.37 |
| Elevation M: | 485 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
Bidania-Goiatz (Spanish; Castilian: Bidegoyan) is a town located in the province of Gipuzkoa, in the Autonomous Community of Basque Country, in the North of Spain.
It consists of the two villages of Bidania and Goiatz. Bidania is known for having an organ built by Aristide Cavaillé-Coll in its church.