Société d'Étude et de Développement des Aéroglisseurs Marins
| Founded | 1965 |
|---|---|
| Founder | Jean Bertin |
| Defunct | 1982 |
| Headquarters | , France |
| Products | Hovercraft |
| Parent | Bertin et Cie (1965) Chantiers Dubigeon-Normandie (1982) |
The Société d'Étude et de Développement des Aéroglisseurs Marins (SEDAM) was a French-based hovercraft manufacturer which designed and produced multiple vehicles intended for both commercial and civil purposes.