Last name Sanasan (Sanasan 
) , worldwide, is a very rare cognomen. The family name Sanasan is habitual in Malaysia, where it is a very rare surname, Philippines, where it is an extremely rare surname, and India. More frequently, Sanasan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sanasan | Philippines, Malaysia, Thailand, India, South Africa |