| Royal Belgian Entomological Society | |
| Native Name: | French: Société royale belge d'Entomologie Dutch; Flemish: Koninklijke Belgische Vereniging voor Entomologie |
| Native Name Lang: | fr nl |
| Vat Id: | (for European organizations) --> |
| Owners: | --> |
| Leader Title: | Founding president |
| Leader Name: | Edmond de Sélys Longchamps |
The Royal Belgian Entomological Society (French: Société royale belge d'Entomologie; Dutch; Flemish: Koninklijke Belgische Vereniging voor Entomologie) is a learned society based in Brussels. It is devoted to entomology, the study of insects. It was founded on 9 April 1855 with Edmond de Sélys Longchamps as its first president. The society publishes the Bulletin, the Belgian Journal of Entomology and the Mémoires.