Rodolphus

Rodolphus may refer to:
 * Rodolphus is a Latin form of the name Rudolf
 * Rodolphus Agricola (1443–1485), humanist scholar
 * Rodolphus Dickinson (1797–1849), US Representative
 * R. Holland Duell (1824–1891), United States Representative from New York
 * Rodolphus de Sancto Trudone, Benedictine abbot
 * Rodolphus Lestrange, Death Eater from the Harry Potter series