Chronic diseases represent one of the most significant global healthcare challenges, accounting for substantial morbidity, mortality, and healthcare expenditure worldwide. Conditions such as diabetes mellitus, hypertension, cardiovascular diseases, chronic obstructive pulmonary disease (COPD), and chronic kidney disease require continuous monitoring, long-term treatment adherence, and regular clinical follow-up. Telemedicine has emerged as a transformative healthcare delivery model capable of improving access to care, reducing healthcare costs, and enhancing patient outcomes through remote consultation, monitoring, and digital health interventions. This study examines the impact of telemedicine on chronic disease management by reviewing current applications, benefits, challenges, and future opportunities. Findings indicate that telemedicine significantly improves disease monitoring, patient engagement, medication adherence, and healthcare accessibility while reducing hospital admissions and healthcare costs. However, barriers including digital literacy, technological infrastructure, privacy concerns, and regulatory challenges continue to affect implementation. The study concludes that telemedicine has become an essential component of modern chronic disease management and is expected to play an increasingly central role in future healthcare systems.