The Institute of Town Planners Sri Lanka (ITPSL) was established in 1982 and incorporated under the provisions of Parliament Act No 23 of 1986 is the professional body responsible for enhancing the Town Planning Profession in Sri Lanka.

The Institute was brought into existence to promote the profession of Town & Country Planning in Sri Lanka and to enhance the standard of the profession in the country in keeping with global trends and developments in this field.

The Institute also plays a lead role in expressing its professional opinion on matters, directly and indirectly, concerned with the urban and regional development of Sri Lanka and has offered its advice and services to the Government, Semi-Government Institutions, and Provincial and Local Authorities.