Cognomen Ika (Ika 
, 伊卡 
, Ика 
) , all around the world, is a common surname. The surname Ika is habitual in Indonesia, where it is quite a common surname, Brunei, where it is quite a rare surname, and Georgia. Not in comparison with a country's population, it is the most numerous in Indonesia, India, and Nigeria. More frequently, Ika is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ika | Indonesia, Malaysia, Croatia, Nigeria, India |
| 伊卡 | China |
| Ика | Kazakhstan, Armenia, Russia, Kyrgyzstan, Bulgaria |
| איקה | Israel |
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ika peyron Swedish musician (1845-1922), SE (b. 1845) |
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ika freudenberg German activist (1858-1912), DE (b. 1858) |
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| enrique ika titular King of Rapa Nui (b. 1859) |
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| ika olden (b. 1908) |
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ika johannesson Swedish writer and journalist, SE (b. 1974) |
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| ika schilbock DE (b. 1926) |
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ika fiyonda putri 2007 Puteri Indonesia pageant competitor, ID (b. 1987) |
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ika yuliana rochmawati Indonesian archer, ID (b. 1989) |
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ika puspitasari |
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| ika škomrlj HR (b. 1932) |
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tuihakavalu ika Tongan rugby union footballer, TO (b. 1995) |
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| ika hügel-marshall German writer, DE (b. 1947) |
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| ika maričić HR (b. 1943) |
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| ika kaminka Norwegian translator, NO (b. 1958) |
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| ika nord Swedish actress and mime, SE (b. 1960) |
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Ayu, Wahyuni, Yuliana, Septiana, Agustina, Purwanti, Nurjanah, Fitriani, Yulianti, Zulaikha, Setiawati, Ratnasari, Rahmawati, Damayanti, Nurhayati, Handayani, Oktaviani, Wijayanti, Wulandari, Kurniawati, Rachmawati, Novitasari, Lestari, Purnamasari, Rostika, Pratiwi, Nur, Sari, Dewi, Wati, Putri, Rahma, Fitri, Wahyu, Atikah, Kurnia, Rahayu, Novita, Fitria, Yunita, Mustika, Sartika, Safitri, Susanti, Agustin, Aprilia, Kartika, Puspita, and Puspitasari