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Family name Siga (Sige
, シガ
, Siga
) , worldwide, is a widespread cognomen. The surname Siga is habitual in Ethiopia, where it is a common surname, Fiji, where it is quite a common surname, and Guinea-Bissau, where it is quite a rare surname. Measured by absolute frequency, it is the most numerous in Ethiopia, India, and Indonesia. Much less frequently, Siga is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sige | Philippines, Tanzania, India, Ethiopia, Indonesia |
| シガ | Japan |
| Siga | Senegal, Philippines, India, Ethiopia, Indonesia |
| Сига | Kazakhstan, Kyrgyzstan, Russia, Ukraine |