This study discusses the segmental phonemes of Riau Malay dialect Pematang Selunak Indragiri Hulu. This descriptive research used qualitative approach which aimed to describe the uniqueness of phonemes Riau Malay dialect of Pematang Selunak Indragiri Hulu. This research included into oral data which 8 native speakers of dialect Pematang Selunak the age of 20-60 years old as the informants. The …