The National Social Security Fund (NSSF) is a quasi-government agency responsible for the collection, safekeeping, responsible investment, and distribution of retirement funds from employees of the private sector in Uganda who are not covered by the Government Retirement Scheme.

Participation for both employers and employees is compulsory.

The Uganda National Social Security Fund, is the largest pension fund in the countries of the East African Community, with assets of nearly USh10 trillion (approx. US$3.05 billion), as of June 2019.