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Cognomen Dirgahayu (Dirgahayu
) , throughout the world, is quite a rare surname. The cognomen Dirgahayu is characteristic of South-eastern Asia, particularly Indonesia, where it is a rare surname, and Malaysia, where it is an extremely rare surname. Also, Dirgahayu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dirgahayu | Malaysia, Indonesia |