Nyishi is the most widely spoken language in Arunachal Pradesh, with over 300,000 speakers.

Adi is the language spoken by the Adi people, who are one of the largest ethnic groups in Arunachal Pradesh.

Apatan is the language spoken by the Apatani people, who are an indigenous group living in the Ziro Valley of Arunachal Pradesh.

Tagin is the language spoken by the Tagin people, who are an indigenous group living in the West Kameng district of Arunachal Pradesh.

Arunachal Pradesh is home to over 200 languages, making it one of the most linguistically diverse states in India.

Monpa is the language spoken by the Monpa people, who are an indigenous group living in the Tawang district of Arunachal Pradesh.

Sherdukpen is the language spoken by the Sherdukpen people, who are an indigenous group living in the West Kameng district of Arunachal Pradesh.

珞巴语 is the language spoken by the珞巴语 people, who are an indigenous group living in the Lower Subansiri district of Arunachal Pradesh.

Adi is the language spoken by the Adi people, who are one of the largest ethnic groups in Arunachal Pradesh.

Nocte is the language spoken by the Nocte people, who are an indigenous group living in the Tirap district of Arunachal Pradesh.

Wancho is the language spoken by the Wancho people, who are an indigenous group living in the Longding district of Arunachal Pradesh.

Tangsa is the language spoken by the Tangsa people, who are an indigenous group living in the Changlang district of Arunachal Pradesh.

Tutsa is the language spoken by the Tutsa people, who are an indigenous group living in the Lohit district of Arunachal Pradesh.

Miju is the language spoken by the Mishmi people, who are an indigenous group living in the Lower Dibang Valley district of Arunachal Pradesh.

Digaru is the language spoken by the Digaru people, who are an indigenous group living in the Upper Siang district of Arunachal Pradesh.

Kaman is the language spoken by the Kaman people, who are an indigenous group living in the East Kameng district of Arunachal Pradesh.

Idu is the language spoken by the Idu people, who are an indigenous group living in the Dibang Valley district of Arunachal Pradesh.