Maercken
Maercken is the family name of the following people:
- Curt von Maercken zu Geerath (Kurt von Maercken; 1887–1945), German lawyer and administrative officer
- Franz Gottfried von Maercken (1768–1833), the first district administrator in the Gladbach district
- Jürgen von Maercken zu Geerath (1915–1945), German officer