The Pentatomoidea of the French West Indies (Hemiptera, Heteroptera). The first inventory of Pentatomoidea observed on the islands of Guadeloupe and Martinique is carried out. A total of 48 species are listed in the French West Indies, including 43 in Guadeloupe and 32 in Martinique. In Guadeloupe, 24 species out of 43 are mentioned for the first time, and in Martinique, 23 out of 32. The family Thyreocoridae is mentioned for the first time in the French West Indies as well as the following 25 species: Amnestus pusio, Cyrtomenus crassus, Melanaethus spinolae, Rhytidoporus indentatus, Podisus congrex, Euschistus crenator, Mitripus acutus, Oebalus pugnax, Oebalus ypsilongriseus, Proxys victor, Arocera placens, Vulsirea nigrorubra, Arvelius albopunctatus, Loxa nesiotes, Roferta marginalis, Rhyssocephala macdonaldi, Banasa dimidiata, Banasa lenticularis, Pharypia pulchella, Scotinophara sicula, Diolcus irroratus, Diolcus variegatus, Tetyra antillarum, Augocoris illustris and Galgupha guttiger. The species are illustrated and an identification key is provided. A comparative analysis of the specific composition is carried out with other West Indian inventories.