Cognomen Thiyagu (Thiyagu 
) , in all the world, is a rare last name. The last name Thiyagu is habitual in Qatar, where it is quite a rare surname, Sri Lanka, where it is a rare surname, and United Arab Emirates. In absolute terms, it is commonest in India, Sri Lanka, and Malaysia. Also, Thiyagu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thiyagu | Saudi Arabia, United Arab Emirates, Sri Lanka, Malaysia, India |
| comrade thiyagu IN (b. 1950) |
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| r thiyagu researcher |
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