Southeast Asia and the Far East regions confront unique health challenges influenced by genetic, environmental, socioeconomic, and cultural factors. This chapter examines the epidemiological trends and disease burdens in these regions, emphasizing both communicable and noncommunicable diseases (NCDs). Key communicable diseases include tuberculosis, dengue fever, malaria, and hepatitis B and C. NCDs such as cardiovascular diseases, diabetes, and cancer present significant health burdens due to lifestyle changes and urbanization. Environmental issues like air pollution and occupational hazards, as well as nutritional challenges from undernutrition and rising obesity rates, further complicate the health landscape. Mental health issues, particularly stigma and high suicide rates, are critical concerns. Effective strategies include strengthening disease surveillance, promoting preventive health measures, and improving healthcare access. Tailored public health strategies addressing the socioeconomic and cultural contexts are essential for improving health outcomes in these regions.