| Name | Category | Year | Motivation |
|---|
| Auguste Marie François Beernaert | Peace | 1909 | |
| Jules Bordet | Medicine | 1919 | "for his discoveries relating to immunity" |
| Yves Chauvin | Chemistry | 2005 | "for the development of the metathesis method in organic synthesis" |
| Albert Claude | Medicine | 1974 | "for their discoveries concerning the structural and functional organization of the cell" |
| Christian de Duve | Medicine | 1974 | "for their discoveries concerning the structural and functional organization of the cell" |
| François Englert | Physics | 2013 | "for the theoretical discovery of a mechanism that contributes to our understanding of the origin of mass of subatomic particles, and which recently was confirmed through the discovery of the predicted fundamental particle, by the ATLAS and CMS experiments at CERN's Large Hadron Collider" |
| Corneille Jean François Heymans | Medicine | 1938 | "for the discovery of the role played by the sinus and aortic mechanisms in the regulation of respiration" |
| Henri La Fontaine | Peace | 1913 | |
| Count Maurice (Mooris) Polidore Marie Bernhard Maeterlinck | Literature | 1911 | "in appreciation of his many-sided literary activities, and especially of his dramatic works, which are distinguished by a wealth of imagination and by a poetic fancy, which reveals, sometimes in the guise of a fairy tale, a deep inspiration, while in a mysterious way they appeal to the readers' own feelings and stimulate their imaginations" |
| Georges Pire | Peace | 1958 | |