The Sri Lanka Institute of Development Administration (Sinhala: ශ්රී ලංකා සංවර්ධන පරිපාලන ආයතනය; Tamil: அபிவிருத்தி இலங்கை நிர்வாக நிறுவனம்) (also known as SLIDA) is a research and training institute focusing on public policy and public administration in Sri Lanka. It is operated as a government-operated company through the Ministry of Public Administration and Management and is located in Colombo.