| Denderleeuw | |
| Picture-Legend: | St Amandus Church |
| Map: | Denderleeuw East-Flanders Belgium Map.svg |
| Map-Legend: | Location of Denderleeuw in East Flanders |
| Arms: | Blason ville be Denderleeuw.svg |
| Flag: | Denderleeuwvlag.svg |
| Arrondissement: | Aalst |
| Nis: | 41011 |
| Mayor: | Jo Fonck (LvB) |
| Majority: | LvB, CD&V, Groen |
| Postal-Codes: | 9470, 9472, 9473 |
| Telephone-Area: | 053 |
| Web: | www.denderleeuw.be |
| Coordinates: | 50.8833°N 8°W |
Denderleeuw (in Dutch; Flemish pronounced as /ˌdɛndərˈleːu/) is a municipality located in the Belgian province of East Flanders in the Denderstreek. The municipality comprises the towns of Denderleeuw proper, and . In 2021, Denderleeuw had a total population of 20.730. The total area is 13.77 km2.[1]
The current mayor of Denderleeuw is Jo Fonck, from the LvB.