Résumé : K+p interactions at an incident momentum of 4.97 GeV/c show evidence for a new Kππ resonant state K*(1660), at a mass of (1660 ± 10) MeV, full width (60 ± 20) MeV. Decays into K*(1420)π and K*(892)π are found. In addition there is an indication of a Kπ decay mode. © 1967.