In the world, Alagappa (Alagappa 
) is a rare principally masculine, but very seldom feminine first name. The first name Alagappa is habitual in Southern Asia, particularly India, where it is an extremely rare male name. Likewise, Alagappa is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Alagappa | United Kingdom, United States, Malaysia, New Zealand, India |
| alagappa alagappan (b. 1925) |
|
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| muthiah alagappa (b. 1942) |
|
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| alagappa rammohan researcher |
|