Surname Kalasan (Kalasan 
) , throughout the world, is a rare cognomen. The surname Kalasan is characteristic of Saudi Arabia, where it is a very rare surname, Indonesia, and Malaysia. Measured by absolute frequency, it is commonest in Indonesia, India, and Saudi Arabia. Also, Kalasan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kalasan | Philippines, Indonesia, Saudi Arabia, Malaysia, India |