Worldwide, Walterus (Walterus 
) is a rare dominantly masculine, but seldom girly forename. The first name Walterus is habitual in Belgium, where it is a rare boy's name, and Indonesia, where it is a very rare mostly male, but infrequently female name. Very seldom, Walterus is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Walterus | Indonesia, Romania, Belgium, Thailand, Netherlands |
| walterus nyng English Member of Parliament (b. 1250) |
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| walterus franciscus van genechten BE (b. 1768) |
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walterus staal Dutch priest, NL (b. 1839) |
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| walterus van beurden (b. 1843) |
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| walterus le brun brown (b. 1843) |
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| walterus van hout Dutch politician (1908-1958), NL (b. 1908) |
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| walterus wintermans |
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| walterus le eurus |
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