Globally, Yanuarius (Yanuarius 
) is a rare masculine forename. The given name Yanuarius is characteristic of South-eastern Asia, particularly Indonesia, where it is a rare male name. Very seldom, Yanuarius is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Yanuarius | Indonesia, Malaysia |
| yanuarius renwarin Indonesian politician (born 1948 in Merauke), ID (b. 1948) |
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| yanuarius gladius ulukyaman Indonesian political candidate, ID |
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| yanuarius dobby tigi political candidate (from Kota Depok; district Papua in 2009), ID |
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Mau, Dumutu, Tatogo, Tosong, Viodeogo, Maryono, Sanjaya, Allando, Binsasi, Arifin, Prianto, Richard, Fidelis, Sarbunan, Triyanto, Tjahjono, Endrayadi, Harmawan, Moelyanto, Renaldo, Sakliressy, Sarnis, Fajar, Sah, Bau, Lau, Tae, Yan, Mote, Bayu, Bria, Meogego, Karo, Romu, Gego, Luan, Seran, Agung, Belau, Dibya, Halim, Klau, and Ferdinando