Worldwide, Rathinam (Rathinam 
) is a rare dominantly boy's, but uncommonly feminine first name. The forename Rathinam is habitual in Oman, where it is a rare boy's name, Singapore, and Kuwait. In absolute terms, this name is the most popular in India, Saudi Arabia, and Singapore. Also, Rathinam is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Rathinam | United Arab Emirates, Saudi Arabia, United States, Malaysia, India |
| mariappan rathinam Indian businessperson (born 1955, child of Rethinam N), IN (b. 1955) |
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| seetharaman rathinam researcher |
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