| Jodoigne | |
| Map: | Jodoigne Brabant-Wallon Belgium Map.svg |
| Map-Legend: | The municipality of Jodoigne in Walloon Brabant |
| Arms: | Jodoigne wapen.svg |
| Flag: | Jodoigne flag.svg |
| Arrondissement: | Nivelles |
| Nis: | 25048 |
| Mayor: | Jean-Luc Meurice (MR) |
| Majority: | Union Communale |
| Postal-Codes: | 1370 |
| Telephone-Area: | 010 |
| Web: | www.jodoigne.be |
| Coordinates: | 50.7167°N 56°W |
Jodoigne (pronounced as /fr/; wa|Djodogne pronounced as /wa/; nl|Geldenaken pronounced as /nl/) is a city and municipality of Wallonia located in the province of Walloon Brabant, Belgium.
On January 1, 2006, Jodoigne had a total population of 12,440. The total area is which gives a population density of .
The municipality consists of the following districts: Dongelberg, Jauchelette, Jodoigne, Jodoigne-Souveraine, Lathuy, Piétrain, Saint-Jean-Geest (including the hamlet of Sainte-Marie-Geest), Saint-Remy-Geest, and Zétrud-Lumay.
In the 1568 Battle of Jodoigne, one of the early battles of the Eighty Years' War, the Spanish Duke of Alba defeated a Dutch rebel force under William the Silent.
The previous mayor of Jodoigne, Louis Michel, a liberal politician was the Belgian foreign minister from 1999 until 2004 and was the Belgian European commissioner from 2004 until 2009. The current mayor is Jean-Paul Wahl.
The asteroid 1199 Geldonia was named in its honour (from the Latin form of the name) by Eugène Delporte.