Maass
# Maass

Maass or Maaß is a German surname. People with this surname include:

* Clara Maass (1876–1901), American nurse
* G. F. H. Maass (1830–1901), German botanist
* Gustav Maass (1893–1964), American architect
* Hans Maass (1911–1992), German mathematician
* Hermann Maaß (1897–1944), resistance fighter
* Johann Maass (1766–1823), German psychologist
* Leberecht Maass (1863–1914), German admiral
* Peter Maass (born 1960), American journalist
* Verena Butalikakis (née Maass; 1955–2018), German politician
