Kéo or Nagé-Kéo is a Malayo-Polynesian dialect cluster spoken by the Kéo and Nage people (‘ata Kéo 'Kéo people') that reside in an area southeast of the Ebu Lobo volcano in the south-central part of Nusa Tenggara Timur Province on the island of Flores, eastern Indonesia. Kéo belongs to the Malayo-Polynesian, Central-Eastern Malayo-Polynesian, Bima-Lembata subgroups of the Austronesian language family and there are approximately 40,000 speakers.