Grosch may refer to: Herb Grosch (1918–2010), Canadian-American computer scientist Grosch's law, an observation about computer performance Mária Grosch (born 1954), Hungarian chess player Mathieu Grosch (born 1950), Belgian politician Mike Leon Grosch (born 1976), German singer Christian Heinrich Grosch (1801-1865), Norwegian architect See also Groschen, a coin Grolsch, similar name