| Official Name: | Thiadiaye |
| Settlement Type: | Town and commune |
| Total Type: | Town and commune |
| Mapsize: | 250px |
| Pushpin Map: | Senegal |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Thiès Region |
| Subdivision Type2: | Department |
| Subdivision Name2: | M'bour Department |
| Unit Pref: | metric |
| Area Total Km2: | 6.162 |
| Population As Of: | 2023 census |
| Population Footnotes: | [1] |
| Population Total: | 20168 |
| Population Density Km2: | auto |
| Timezone: | GMT |
| Utc Offset: | +0 |
| Coordinates: | 14.4167°N -58°W |
Thiadiaye is a town and urban commune in the Thiès Region of western Senegal. It is located in the M'bour Department. The population in 2023 was 20,168, an increase from the 14,975 counted in 2013.[1]
The town received commune status in 1996.[2] It is located on the national route N1, between M'bour and Fatick.