Sint-Katelijne-Waver (Dutch pronunciation: [sɪnt kaːtəˌlɛinə ˈʋaːvər], old spelling: Kathelijne-Waver; French: Wavre-Sainte-Catherine, French pronunciation: [wavʁ sɛ̃t katʁin]) is a municipality located in the Belgian province of Antwerp.

The municipality comprises the towns of Onze-Lieve-Vrouw-Waver and Sint-Katelijne-Waver proper.

Roosendael, a ruined relic of a cistercian abbey is situated here and today hosts a youth and touristic centre with pleasant walkways.

Sint-Katelijne-Waver is a centre for market gardening and has many greenhouses.

The Mechelse Veilingen[3] in Sint-Katelijne-Waver is the largest co-operative vegetable auction in Europe.