Laudia
Laudien is the family name of the following people:
- Carl Laudien (1799–1856), Prussian lawyer and councilor, member of the Frankfurt National Assembly
- Gerhard Laudien (1902–1987), German Protestant theologian
- Ingrid Laudien (1934–2009), German Protestant theologian
- Karsten Laudien (* 1960), German theologian and ethicist
- Victor Laudien (1866–1945), German Protestant theologian