Porstmann
Porstmann is the family name of the following people:
- Gisbert Porstmann (* 1963), German art scholar and director of the museums of the city of Dresden
- Rolf Porstmann (* 1950), German cross-country skier
- Walter Porstmann (1886–1959), German engineer, mathematician and standardization theorist
- Werner Porstmann (1921–1982), German radiologist