Rudolphus \r(u)-dol-phus, rud(o)-lphus\ as a boy's name is a variant of Rudolph (Old German), and the meaning of Rudolphus is "famous wolf".

The baby name Rudolphus sounds like Rudolpho, Rodolphe and Rodolph. Other similar baby names are Adolphus, Adelphus and Dolphus.