• Assamese: Spoken in the Indian state of Assam.
• Bengali (Bangla): The official language of Bangladesh and one of the languages spoken in the Indian state of West Bengal.
• Bhojpuri: Spoken in parts of India, Nepal, and Mauritius.
• Bishnupriya Manipuri: Spoken in parts of India and Bangladesh.
• Chittagonian: Spoken in the Chittagong Hill Tracts of Bangladesh.
• Dogri: Spoken in the Indian state of Jammu and Kashmir.
• Dzongkha: The official language of Bhutan.
• Gujarati: Spoken in the Indian state of Gujarat.
• Hindi: One of the official languages of India.
• Kannada: Predominantly spoken in the Indian state of Karnataka.
• Kashmiri: Predominantly spoken in the Kashmir Valley.
• Khasi: Spoken in the Indian state of Meghalaya.
• Konkani: Spoken in the Indian states of Goa and Karnataka.
• Maithili: Spoken in parts of India and Nepal.
• Malayalam: Predominantly spoken in the Indian state of Kerala.
• Maldivian (Dhivehi): The official language of the Maldives.
• Manipuri (Meitei): The official language of the Indian state of Manipur.
• Marathi: The official language of the Indian state of Maharashtra.
• Nepali: The official language of Nepal.
• Newar/Nepal Bhasa: Spoken by the Newar people in the Kathmandu Valley, Nepal.
• Odia (Oriya): The official language of the Indian state of Odisha.
• Punjabi: Spoken in the Indian state of Punjab and parts of Pakistan.
• Sanskrit: An ancient language with religious and historical significance, still used in some contexts.
• Sinhala: The official language of Sri Lanka.
• Sylheti: Spoken in the Sylhet Division of Bangladesh and among the diaspora.
• Tamil: Predominantly spoken in the Indian state of Tamil Nadu and Sri Lanka.
• Telugu: Predominantly spoken in the Indian states of Andhra Pradesh and Telangana.
• Urdu: The official language of Pakistan and is also spoken in parts of India.

These languages contribute to the rich linguistic mosaic of South Asia.