House of Snoy or Snoy d'Oppuers currentlySnoy et d'Oppuers, is a Belgian noble family. The current descendants are titled Barons Snoy and of Oppuers.
Among the former residences of the family we find Château de Bois-Seigneur-Isaac, Meerbeek Castle and Befferhof Castle.
The family was important for the history of the Heerlijkheid of Oppuers, Generations the were Lord of Oppuurs and Poederlee. Joost Snoy became after his marriage the first Lord of Oppuers. Philipp's first marriage to the important house made him one of the most important lords of Mechelen. His daughter Walburga Snoy inherited from her mother, Marie of Brimeu. the seigneurie of Poyelles (Poederlee). During the 17th century the family obtained political power, and continued to intermarry with important houses.
Philipp vander Aa, Lord of Oppuers, married to Claire de Barres