| Official Name: | Tidass |
| Other Name: | Tiddas |
| Settlement Type: | Town |
| Pushpin Map: | Morocco |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 300 |
| Subdivision Type: | Country |
| Subdivision Name: |  Morocco |
| Subdivision Name1: | Rabat-Salé-Kénitra |
| Subdivision Type2: | Province |
| Subdivision Name2: | Khémisset Province |
| Unit Pref: | Imperial |
| Population As Of: | 2004 |
| Population Total: | 3584 |
| Utc Offset: | +0 |
| Timezone Dst: | WEST |
| Utc Offset Dst: | +1 |
| Coordinates: | 33.568°N -6.267°W |
Tidass or Tiddas is a town in Khémisset Province, Rabat-Salé-Kénitra, Morocco. According to the 2004 census, its population was 3,584.[1]