Kottawa Iniyage Saman Thusitha Lenin Kumara (Sinhala: කොට්ටාව ඉණියගේ සමන් තුසිත ලෙනින් කුමාර) is a Sri Lankan vocalist, musician, and ethno-musicologist, better known as Saman Lenin. He is popular in Sri Lanka as an exponent of Sri Lankan folk music, and incorporates traditional folk tunes into his music. Despite a relatively short career in the music industry thus far, he has sung over 200 songs, and is considered by many to be one of the most talented folk artists in Sri Lanka.
Saman Lenin rose to prominence after contesting in Rajatha Rashmi, a musical contest organised by the Sri Lanka Rupavahini Corporation.
He has gained popularity for his singing in a number of Sri Lankan teledramas, including the theme song for Kolamba Ahasa – for which he was awarded. He has also sung in the film Siri Parakum, directed by Dr. Somaratne Dissanayake, the song Ambaruwo, which became famous.