The Institute of Waste Management of Southern Africa (IWMSA) is a multi-disciplinary non-profit association that is committed to supporting professional waste management practices.

It comprises of voluntary members who promote environmentally acceptable, cost effective and appropriate waste management practices. They strive towards the protection of the environment and people of southern Africa from the adverse effects of poor waste management by supporting sustainable best practical environmental options.

IWMSA contributes to the improvement of waste management standards and legislation, support international, national and regional trends in best environmental practices; promote the science and technology of waste management and practice affordable cost effective management of waste. Education and training in the realm of effective and efficient waste management is also a key focus for the IWMSA.