Jodoigne 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 73.31 km² which gives a population density of 170 inhabitants per square kilometre.
The municipality consists of the following districts: Dongelberg, Jauchelette, Jodoigne, Jodoigne-Souveraine, Lathuy, Piétrain, Saint-Jean-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 by Eugène Delporte.