Arnoldus
Arnoldus is a given name. Notable persons with that name include:
- Arnoald, Frankish bishop
- Arnoldus van Anthonissen, Dutch painter
- Arnoldus Arlenius, Dutch humanist philosopher and poet
- Arnoldus Blignaut, Zimbabwean cricketer
- Arnoldus Bloemers, Dutch painter
- Arnoldus Clapmarius, German academic, jurist and humanist
- Arnoldus Johannes Eymer, Dutch painter, draftsman, lithographer and watercolourist
- Arnoldus Hille, Norwegian bishop
- Arnoldus Montanus, Dutch teacher and author
- Arnoldus Vanderhorst, American militia leader
