Tamil is the official language of Tamil Nadu and is spoken by the majority of the population.

Telugu is spoken by a significant population in Tamil Nadu, particularly in the northern and western districts.

Kannada is spoken by a sizable population in Tamil Nadu, especially in the western and southern districts.

Malayalam is spoken by a notable population in Tamil Nadu, primarily in the southern districts.

Marathi is spoken by a considerable population in Tamil Nadu, mainly in the northern and western districts.

Urdu is spoken by a significant population in Tamil Nadu, particularly in the northern districts.

Hindi is spoken by a notable population in Tamil Nadu, primarily in the northern and western districts.

Gujarati is spoken by a considerable population in Tamil Nadu, mainly in the northern and western districts.

Punjabi is spoken by a significant population in Tamil Nadu, particularly in the northern districts.

Bengali is spoken by a notable population in Tamil Nadu, primarily in the northern and western districts.

Odia is spoken by a considerable population in Tamil Nadu, mainly in the northern and western districts.

Assamese is spoken by a significant population in Tamil Nadu, particularly in the northern districts.

Nepali is spoken by a notable population in Tamil Nadu, primarily in the northern and western districts.

Manipuri is spoken by a considerable population in Tamil Nadu, mainly in the northern and western districts.

Kashmiri is spoken by a significant population in Tamil Nadu, particularly in the northern districts.