• English: A legacy of British colonization, English is widely used in countries such as India, Pakistan, Singapore, Malaysia, and parts of Sri Lanka and Hong Kong.
• French: Former French colonies in Southeast Asia, including Vietnam, Cambodia, and Laos, have French as a significant colonial legacy language.
• Portuguese: Macau, a former Portuguese colony, has Portuguese as one of its official languages, although Chinese is more commonly spoken.
• Dutch: Indonesia was a Dutch colony, and while Indonesian (Bahasa Indonesia) became the national language, Dutch has left its mark on some aspects of the language.

These colonial languages often play a role in education, government, and business in their respective regions.