The Punan languages or Rejang-Sajau languages are a group of mutually intelligible isolects spoken by the Punan and related peoples of Borneo. Smith (2017) classifies Punan dialects as follows: * Sru (Seru) † * Punan Tubu-Bah * Punan Tubu, Punan Bah, Sajau, Latti * Punan * Beketan (Bukitan), Punan Lisum, Punan Aput, Ukit, Buket (Bukat)