Across the world, Widjaja (Widjaja 
, ウィジャヤ 
) is quite a rare largely boy's, but seldom feminine first name. The first name Widjaja is characteristic of Indonesia, where it is a rare mostly boy's, but uncommonly feminine name, and China, where it is an extremely rare epicene name. Predominantly, Widjaja is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Widjaja | Australia, Malaysia, Indonesia, United States, Singapore |
| ウィジャヤ | Japan |
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tosari widjaja 1940-, ID (b. 1940) |
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iskandar widjaja German violinist and musician, DE (b. 1986) |
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| noorman widjaja conductor (b. 1948) |
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| sukmawati widjaja Sinar Mas vice chairperson since 1988 (b. 1951) |
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| mustofa widjaja ID (b. 1951) |
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| effendy widjaja badminton player, ID (b. 1961) |
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| sendjaja widjaja ID (b. 1955) |
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| sudjono teguh widjaja Indonesian politician (born 1970 in Kediri), ID (b. 1970) |
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| setiana widjaja Indonesian politician (born 1972), ID (b. 1972) |
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| ripka widjaja Indonesian political candidate, ID |
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| devy widjaja Ph.D. Katholieke Universiteit Leuven 2015 |
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| tjandra widjaja Indonesian political candidate, ID |
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| moehadji widjaja Former Mayor of Surabaya |
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| howen widjaja (b. 1979) |
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| marcellyna junita widjaja US (b. 1979) |
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