Plains indigenous peoples, also known as Pingpu people and previously as plain aborigines, are Taiwanese indigenous peoples originally residing in lowland regions, as opposed to Highland indigenous peoples. Plains indigenous peoples consist of anywhere from eight to twelve individual groups, or tribes, rather than being a single ethnic group. They are part of the Austronesian family. Beginning in the 17th century, plains indigenous peoples have been heavily influenced by external forces from Dutch, Spanish, and Han Chinese colonization of Taiwan. This ethnic group has since been extensively assimilated with Han Chinese language and culture; they have lost their cultural identity, and it is almost impossible without careful inspection to distinguish plains indigenous peoples from Taiwanese Han people.

The Kavalan or Kuvalan are an indigenous people of Taiwan. Most of them moved to the coastal area of Hualien County and Taitung County in the 19th century due to encroachment by Han settlers. Their language is also known as Kavalan. Currently, the largest settlement of Kavalan is Xinshe Village in Fengbin Township, Hualien County.