Family name Sinasac (Sinasac 
) , all around the world, is a rare surname. The surname Sinasac is habitual in Canada, where it is a rare surname, New Zealand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Sinasac is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sinasac | New Zealand, Canada, South Africa, United States |
| david s sinasac researcher (ORCID 0000-0002-3749-5989) |
|