Worldwide, Pachaiappan (Pachaiappan 
) is a rare male forename. The first name Pachaiappan is habitual in Southern Asia, particularly India, where it is a very rare boy's name. Much less frequently, Pachaiappan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Pachaiappan | Italy, Malaysia, Australia, United States, India |
| maniam pachaiappan Malaysian association football player and coach, MY (b. 1968) |
|