Gassmann or Gaßmann is a German surname. Notable people with the surname include:
Alessandro Gassmann (born 1965), Italian actor Florian Leopold Gassmann (1729–1774), German-speaking Bohemian opera composer Fritz Gassmann (1899–1990), Swiss mathematician and geophysicist Georg Gaßmann (1910–1987), German politician Jasmin Gassmann (born 1989), German actress Eugen Scotoni-Gassmann (1873–1961), Austrian-born Swiss businessman
See also Georg-Gaßmann-Stadion, multi-purpose stadium in the district of Ockershausen in Marburg, Germany Gassmann triple, a group G together with two faithful actions on sets X and Y, such that X and Y are not isomorphic as G-sets but every element of G has the same number of fixed points on X and Y Gasman (disambiguation) Gasmann Gassman