Thakurartha Devadithya Guardiyawasam Lindamulage Nalin Kumara de Silva (Sinhala: නලින් ද සිල්වා; born 20 October 1944) is a Sri Lankan philosopher and a political analyst. He is the current Sri Lankan ambassador in Myanmar. He was a professor in the department of mathematics, a member of University Grant Commission and the dean of the faculty of science at the University of Kelaniya, Sri Lanka. De Silva has openly stated that the so-called 'objective scientific method' is a lie.