The Management Development Institute of Singapore (MDIS), founded in 1956, is Singapore's oldest not-for-profit professional institute for lifelong learning.

MDIS provides programmes in Business and Management, Engineering, Fashion Design, Information Technology, Health and Life Sciences, Mass Communications, Psychology and Travel, Tourism and Hospitality Management. They are offered in collaboration with universities in Australia, France, the United Kingdom and the United States of America. MDIS provides preparatory courses for GCE "O" and "A" level examinations, via its subsidiary - MDIS College. MDIS college is registered under the Committee for Private EducationSingapore (CPE)