The Idu Mishmi language (simplified Chinese: 义都语; pinyin: Yìdū yŭ) is a small language spoken by the Mishmi people in Dibang Valley district, Lower Dibang Valley district, Lohit district, East Siang district, Upper Siang district of the Indian state of Arunachal Pradesh and in Zayü County of the Tibet Autonomous Region, China. There were 8569 speakers in India in 1981 and 7000 speakers in China in 1994. It is considered an endangered language.