Family name Thirumurugan (Thirumurugan 
) , around the globe, is a rare last name. The last name Thirumurugan is habitual in Singapore, where it is a rare surname, United Arab Emirates, and Malaysia. In absolute terms, it is commonest in India, Malaysia, and Singapore. More prevalently, Thirumurugan is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Thirumurugan | Saudi Arabia, Malaysia, India, United Arab Emirates, Australia |
| arun thirumurugan researcher |
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| p. r. n. thirumurugan Indian politician, IN |
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| kavitha thirumurugan researcher |
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| v. thirumurugan Malaysian footballer, MY (b. 1983) |
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