Bogaha Kotuwe Gedara Niluka Geethani Rajasekara (born 17 March 1982) is a female Sri Lankan long-distance runner. With a time of 2 hours 40.07 minutes, and a new Sri Lankan record, at the 2015 Hong Kong marathon, Rajasekara achieved the qualifying standard for the marathon at the 2016 Summer Olympics. She competed in the marathon event at the 2015 World Championships in Athletics in Beijing, China, finishing 49th.