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Cognomen Rasaiah (Rasaiah
) , throughout the world, is a rare last name. The surname Rasaiah is characteristic of Sri Lanka, where it is quite a rare surname, Malaysia, where it is a rare surname, and Switzerland. Measured by absolute frequency, it is commonest in Sri Lanka, Malaysia, and India. Likewise, Rasaiah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rasaiah | Canada, Malaysia, India, Australia, Sri Lanka |