Family name Ponnachen (Ponnachen 
) , globally, is a rare cognomen. The cognomen Ponnachen is habitual in United Arab Emirates, where it is a rare surname, India, where it is an extremely rare surname, and the United States. Much less frequently, Ponnachen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ponnachen | United States, India, United Arab Emirates |