Surname Somaratne (Somaratne 
) , all over the world, is quite a rare cognomen. The cognomen Somaratne is characteristic of Sri Lanka, where it is quite a common surname, Australia, where it is a rare surname, and New Zealand. Measured by absolute frequency, it is commonest in Sri Lanka, Australia, and the United States. Much less frequently, Somaratne is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Somaratne | Australia, New Zealand, United States, United Kingdom, Sri Lanka |
| somaratne dissanayake Sri Lankan film director, screen writer, and producer, LK (b. 1901) |
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| somaratne rajapakse Sri Lankan murderer |
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| ransi somaratne researcher |
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| jithendra somaratne researcher |
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| thilini somaratne researcher (ORCID 0000-0002-8529-3177) |
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| s. d. s. somaratne |
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Mr, Upeka, Sarada, Sajith, Shivan, Silvia, Sweeni, Ramana, Rohana, Dinesh, Itala, Gamini, Lalith, Lahiru, Janaka, Nadika, Eranga, Vithvnage, Indika, Wajira, Yasara, Gayani, Isuri, Isuru, Nanda, Ms, Jan, Jay, Jai, Isu, Gnei, Lesa, Noah, Manoj, Shani, Anura, Ajith, Kamil, Kevin, Kiara, Ransi, Rohan, Dilan, Dilip, Janet, Tilak, M G K B, and Shanthe