The King Baudouin Foundation (KBF) (Dutch: Koning Boudewijnstichting, KBS; French: Fondation Roi-Baudouin) is an independent, pluralistic foundation based in Brussels (Belgium). It seeks to change society for the better and invests in inspiring projects and individuals. The Foundation was set up in 1976, on the occasion of the 25th anniversary of King Baudouin's reign and has been under the honorary Presidency of Queen Mathilde since 2015.