The boy's name Julianus \j(u)-lia-nus\ is a variant of Julian.
The baby name Julianus sounds like Alanzo and Alanso. Other similar baby names are Julius and Juliano.
Julianus is a very rare male first name and a very rare surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the boy's name Julianus. Click here to compare Julianus with related baby names.