| Group: | Thadou people |
| Native Name Lang: | lus |
| Population: | 229,000–313,000 in India |
| Region1: | India, Myanmar and Bangladesh |
| Pop1: | Manipur, Nagaland, Assam, Mizoram, Tripura |
| Languages: | Thadou |
| Religions: | Predominantly Protestantism (Baptist) and Catholicism; very small minority Judaism (Bnei Menashe) |
| Related Groups: | Zo people Chin Kuki Mara Bnei Menashe, Ranglong Mizo |
Thadou people, also called Thadou Kukis, are the Thadou language-speaking Kuki people inhabiting Northeast India, Burma, Bangladesh. "Thadou" is also the name of a particular clan among the Thadou Kukis. Other clans include Haokip, Kipgen, Doungel, Hangshing, Mangvung etc.
According to the 2011 census of India, there are 229,340 Thadou language-speakers in the country. The vast majority of them (97.6%) are in the state of Manipur. Within Manipur, they make up the largest single tribe, forming about 19% of all its Scheduled Tribes.There are also significant numbers of Thadou-speakers in Meghalaya and Assam.
In addition, many Thadou language-speakers are also believed to list their language as "Kuki" in the census. The 2011 census lists 83,968 "Kuki" language-speakers, who are mostly distributed in the states of Nagaland, Manipur and Assam.