Last name Sanmugam (Sanmugam 
) , globally, is quite a rare surname. The last name Sanmugam is habitual in Malaysia, where it is quite a rare surname, Sri Lanka, and Qatar. Measured by absolute frequency, it most frequently occurs in Malaysia, Sri Lanka, and India. More frequently, Sanmugam is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Sanmugam | United Arab Emirates, India, Sri Lanka, Malaysia, Saudi Arabia |
| devagi sanmugam Chef, cookbook author, cooking instructor, culinary consultant, food columnist and entrepreneur |
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| sanmugam, a Indian politician, IN |
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| anandhavelu sanmugam researcher |
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