Last name Tirta (Tirta 
) , throughout the world, is a common cognomen. The family name Tirta is habitual in Indonesia, where it is quite a common surname, Malaysia, where it is a rare surname, and Hong Kong. Measured by absolute frequency, the name is most common in Indonesia, Malaysia, and Japan. Also, Tirta is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tirta | Malaysia, United States, India, Indonesia, Japan |
| iwan tirta Indonesian fashion designer, ID (b. 1935) |
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| yusrifar k tirta researcher |
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| nicky tirta Indonesian actor, ID (b. 1983) |
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| mark tirta |
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