Caselius
Caselius is the family name of the following people:
- Christoph Caselius (1534 – after 1587), German diplomat
- Johannes Caselius (1533–1613), German philosopher and humanist
- Martin Caselius (1608–1656), German Lutheran theologian
- Matthias Caselius, see Matthias Bracht von Kessel (1492–1580), German superintendent and humanist