Surname Muthaiyan (Muthaiyan 
) , all over the world, is a rare last name. The surname Muthaiyan is characteristic of United Arab Emirates, where it is quite a rare surname, Singapore, where it is a rare surname, and Malaysia. Measured by absolute frequency, it is commonest in India, United Arab Emirates, and Malaysia. Also, Muthaiyan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Muthaiyan | Saudi Arabia, United Arab Emirates, Malaysia, Singapore, India |
| m.c. muthaiyan botanist |
|
|
| mathavan muthaiyan researcher |
|