'''Grossinger''' also as '''Größinger''', '''Grössinger''' is a surname. Notable persons with the surname include:
* Carolin Größinger (born 1997), Austrian footballer * Christa Grössinger (1942–2008), German art historian * Fred Grossinger (1936–1995), American actor * Harvey Grossinger, American writer * Jennie Grossinger (1892–1972), American hotelier * Johann Baptist Grossinger (1728–1803), Jesuit priest and naturalist * Markus Grössinger (born 1989), Austrian footballer * Richard Grossinger (born 1944), American writer
{{surname}}