Andenne (French pronunciation: [ɑ̃.dɛn] ; Walloon: Andene) is a city and municipality of Wallonia located in the province of Namur, Belgium.

On January 1, 2006, Andenne had a total population of 25,240. The total area is 86.17 km² which gives a population density of 292 inhabitants per km². The municipality, and the central city, extend on both sides of the river Meuse.

The municipality consists of the following districts: Andenne, Bonneville, Coutisse, Landenne, Maizeret, Namêche, Sclayn, Seilles, Thon-Samson, and Vezin.

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The city is symbolized by a bear, originating from the legend that saw Charles Martel, while still a child, use a hammer to kill a bear that terrorized the inhabitants.

The Collegiate Church of Saint Begga, located in Andenne, was founded in the 7th century. Andenne is the location of the Château du Moisnil.

Andenne is associated with the Rape of Belgium in 1914, during which between 211 and 225 townspeople were massacred.

• Saint Begga (613–693), daughter of Pepin of Landen and mother of Pepin of Herstal. She founded a convent in Andenne of which she was the first abbess. She is buried in the Collegiate Church of Saint Begga in Andenne.
• Gertrude of Nivelles, (ca.628–659), abbess, who, with her mother Itta, founded the Nivelles Abbey; younger sister of St. Begga.
• Carl Johan Frederik Jakhelln (1914–1987), Norwegian diplomat and writer
• Fats Sadi (1927–2009, Huy), jazz musician
• Cécile de France (born 1975), actress

• 
  The Meuse river
• 
  The City Hall
• 
  Place des Tilleuls – The kiosk (1879)
• 
  Collegiate Church of Saint Begga
• 
  The St. Begge fountain
• 
  Office du Tourisme – "Art Nouveau" house (1907)
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  St. Begge house (1623)
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  Classical house called "Maison de Chanoinesses"
• 
  Old engraving of the Château du Moisnil in Andenne

• List of protected heritage sites in Andenne
• Maizeret
• Château du Moisnil

• Information and pictures about Andenne (English pages)