Heinisch

Heinisch is a German language surname.{{cite web |url=http://forebears.io/surnames/Heinisch |title=Heinisch Surname |accessdate=2022-03-03 |work=forebears.io |quote=Approximately 7,152 people bear this surname. Most prevalent in: Germany; Highest density in: Luxembourg.}}{{cite web |url=https://www.ancestry.com/name-origin?surname=Heinisch |title=Heinisch Name Meaning |accessdate=2022-03-03 |work=ancestry.com |quote=German (of Slavic origin): from a pet form of the personal name Heinrich.}} It stems from a reduced form of the male given name Heinrich and may refer to:

• Fritz Heinisch (1900–1983), American football end
• Gabriele Heinisch-Hosek (1961), Austrian politician
• Ian Heinisch (1988), American mixed martial artist
• Karl Heinisch (1847–1923), German painter
• Martin Heinisch (1985), Czech professional ice hockey forward