Cognomen Sinamay (Sinamay 
) , throughout the world, is a very rare last name. The last name Sinamay is characteristic of Philippines, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. Very seldom, Sinamay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sinamay | India, Venezuela, Philippines |