All over the world, Muthaiyan (Muthaiyan 
) is a rare primarily boy's, but very seldom girly forename. The forename Muthaiyan is habitual in Singapore, where it is a rare epicene name, Saudi Arabia, where it is a very rare male name, and India. Likewise, Muthaiyan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Muthaiyan | Saudi Arabia, Malaysia, India, Singapore, United Arab Emirates |
| muthaiyan n Indian politician, IN |
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| muthaiyan k dr Indian politician, IN |
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