De Lannoy or Delannoy is a surname, and may refer to; ;Noble Belgian

House of Lannoy The House of Lannoy is the name of an old and important Belgian noble family that takes its name from the town of Lannoy in northern France. The name comes from ''l'Annoy'' (or ''l'Annoit'', from Latin ''alnetum''), which means 'the alderwoo ...

: * Jean de Lannoy * Baldwin of Lannoy * Hugo van Lannoy * Guillebert de Lannoy, soldier, traveller and diplomat *

Charles de Lannoy, 1st Prince of Sulmona Charles de Lannoy ( – 23 September 1527) was a soldier and statesman from the Seventeen Provinces, Low Countries in service of the Habsburg Emperors Maximilian I, Holy Roman Emperor, Maximilian I and Charles V, Holy Roman Emperor, Charles V. ...

: soldier and statesman * Philip de Lannoy, 2nd Prince of Sulmona, military leader * Countess Stéphanie de Lannoy, now the Hereditary Grand Duchess of Luxembourg ;Others * Albert Delannoy, long jumper * Colinet de Lannoy, composer * Eustachius De Lannoy, naval commander * Henri Delannoy (1833–1915), French military officer and amateur mathematician * Jacques Delannoy (1912–1958), French footballer *

Jean Delannoy Jean Delannoy (; 12 January 1908 – 18 June 2008) was a French actor, film editor, screenwriter and film director. Biography Although Delannoy was born in a Paris suburb, his family was from Haute-Normandie in the north of France. He was a Pro ...

, actor and film director * Louis De Lannoy, cyclist * , writer and philosopher * Marcel Delannoy (1898–1962), French composer * Claire Delannoy, French writer * Robert Delannoy, World War I

flying ace A flying ace, fighter ace or air ace is a military aviation, military aviator credited with shooting down a certain minimum number of enemy aircraft during aerial combat; the exact number of aerial victories required to officially qualify as an ...

* Sandra Delannoy, French politician

See also