The Indo-European language family, including Indo-Aryan and Iranian branches, is widely spoken in the Indian Ocean region, encompassing countries like India, Pakistan, Bangladesh, and Iran.

Swahili, a Bantu language, has been significantly influenced by Afro-Asiatic languages, particularly Arabic, due to historical trade and cultural interactions.

Malagasy, an Austronesian language, is the primary language spoken by the majority of the population in Madagascar, reflecting the island's historical connections with Southeast Asia.

Tamil is a Dravidian language, a distinct language family originating in South Asia. It is widely spoken in the southern Indian states of Tamil Nadu, Kerala, and parts of Sri Lanka.

Punjabi, an Indo-Aryan language, is closely related to Hindi and Urdu and is primarily spoken in the northern regions of India and Pakistan.

The Creole languages spoken in the Indian Ocean region, including Mauritian Creole and Seychellois Creole, have their origins in French, reflecting the historical influence of French colonialism in the region.

Dhivehi, an Indo-Aryan language, is the primary language spoken by the majority of the population in the Maldives, reflecting the country's historical and cultural ties with the Indian subcontinent.

Chagossian Creole, spoken in the Chagos Archipelago, is a unique blend of French and Creole, reflecting the island's history of French colonization and subsequent settlement by Creole-speaking communities.

Sinhala, an Indo-Aryan language, is the primary language spoken by the majority of the population in Sri Lanka, reflecting the country's historical and cultural ties with the Indian subcontinent.

Comorian, a Bantu language, has been significantly influenced by Afro-Asiatic languages, particularly Arabic, due to historical trade and cultural interactions.

Mauritian Creole, a French-based Creole language, is the primary language spoken by the majority of the population in Mauritius, reflecting the island's history of French colonization and subsequent settlement by Creole-speaking communities.

Odia, an Indo-Aryan language, is spoken in the eastern Indian state of Odisha and is closely related to other Indo-Aryan languages such as Hindi and Bengali.

Seychellois Creole, a French-based Creole language, is the primary language spoken by the majority of the population in the Seychelles, reflecting the island's history of French colonization and subsequent settlement by Creole-speaking communities.

Gujarati, an Indo-Aryan language, is spoken in the western Indian state of Gujarat and is closely related to other Indo-Aryan languages such as Hindi and Marathi.

Nicobarese, an Austroasiatic language, is the primary language spoken by the majority of the population in the Nicobar Islands, reflecting the islands' unique cultural and linguistic heritage.