Koulen
Koulen is a family name for the following people:
- Heinrich Koulen (1845–1919), German organ builder, see H. Koulen & Sohn
- Heinrich Joseph Koulen (1852–1922), German sculptor
- Max Koulen (1876–1948), German organ builder, see H. Koulen & Sohn
Koulen is a family name for the following people:
