Last name Engguan (Engguan 
) , in all the world, is a very rare family name. The last name Engguan is habitual in South-eastern Asia, particularly Malaysia, where it is a rare surname, Singapore, and Philippines, where it is an extremely rare surname. Also, Engguan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Engguan | Singapore, United States, Malaysia, Philippines |