Surname Sygengco (Sygengco 
) , all around the world, is a very rare last name. The last name Sygengco is habitual in Singapore, where it is a very rare surname, Philippines, and Canada, where it is an extremely rare surname. Not in comparison with a country's population, the name is most common in Philippines, the United States, and Singapore.
| VARIANT | COUNTRY |
|---|---|
| Sygengco | Singapore, Canada, United States, Philippines |