Last name Singuan (Singuan 
) , in the entire world, is a rare family name. The cognomen Singuan is habitual in Philippines, where it is a rare surname, Malaysia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Singuan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Singuan | United States, India, Malaysia, Philippines |