| Official Name: | Guédiawaye |
| Settlement Type: | Town |
| Mapsize: | 250px |
| Pushpin Map: | Senegal |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Dakar Region |
| Area Total Km2: | 13 |
| Population As Of: | 2013 census |
| Population Total: | 329659 |
| Population Density Km2: | auto |
| Timezone: | GMT |
| Utc Offset: | +0 |
| Coordinates: | 14.7833°N -41°W |
Guédiawaye is a town and département of the Dakar Region of Senegal. Lying on the Atlantic Ocean to the north east of Dakar city centre, in 2013 it had a population of 329,659. Until the mid-2000s, the département was part of Pikine.
For administrative purposes the town is also a single arrondissement divided into 5 communes d'arrondissement which are (2013 population in brackets):
The town was founded in the 1950s as a planned commuter town for the city of Dakar. It has a large covered market. A further, informal, community grew up adjacent to it from the 1960s.
Notable people from the town include the football goalkeeper Tony Sylva.
Guédiawaye is twinned with:
Birmingham, Alabama, United States.
Tifariti, Sahrawi Arab Democratic Republic.