Saman Weerasinghe

Dr. Saman Kumara Ranjith Weerasinghe (born 17 October 1961) is a Sri Lankan medical doctor, diplomat and businessman. He is former Sri Lankan Ambassador to the Russian Federation and a recipient of the Order of Honour (Russia).

Weerasinghe is the chairman of Mos-Lanka Holdings Group. He has also served as the vice president of the Russia – Sri Lanka Friendship Society and as the International Secretary of the Russia – Sri Lanka Friendship Society. He is the president of Dayaka Sabhawa of the Kelaniya Raja Maha Temple

Early life and education Saman Kumara Ranjith Weerasinghe is the son of Sirisena Weeerasinghe and Allen Weerasinghe of Tangalle in Southern Sri Lanka. He received his initial education at Tangalle College and then joined Mahinda College, Galle to receive his primary and secondary education. Weerasinghe pursued higher studies in Russia after winning a scholarship in 1980s. He graduated with a First Class Honours Degree from the Moscow Medical Academy in Russia. Weerasinghe developed strong connections with Russia during his academic career and became an advocate for stronger Sri Lanka-Russia relationship.

Weerasinghe was an advisor to former president Mahinda Rajapaksa.

On 4 November 2025, Weerasinghe was presented with the Order of Friendship by Russian president Vladimir Putin in recognition of his decades-long efforts to strengthen bilateral ties between the two nations.