Esala Ruwan Weerakoon is a Sri Lankan diplomat who was the SAARC Secretary General, in office since March 2020 to October 2023.

[1][2] He served as permanent secretary to the Ministry of Tourism Development and permanent secretary of the Ministry of Foreign Affairs and as Sri Lankan High Commissioner to India and ambassador to Norway.

[3][4] Born to a civil servant Bradman Weerakoon and Damayanthi Gunasekara, he was educated at Royal College, Colombo.

He served as Charge d'affairs at Sri Lankan Embassies in Washington DC and in Tokyo.

During his tenure of service at the Ministry of Foreign Affairs, he has served in different capacities including as the Director General of Economic Affairs Division and the Director General of East Asia & Pacific Division.