Grünewald or Grunewald is a surname. Notable people with the surname include:
Adam Grünewald (1902–1945), German SS officer and Nazi concentration camp commandant Arthur H. Gruenewald (1885-1961), American politician Augusto Hamann Rademaker Grünewald (1905–1985), Brazilian admiral and politician Evi Grünenwald (born 1964), Swiss chess master Gabriele Grunewald (1986–2019), American track-and-field athlete Isaac Grünewald (1889–1946), Swedish Modernist painter Jakob Grünenwald (1821–1896), German genre painter and illustrator Matthias Grünewald (c. 1470–1528), German Renaissance painter Olivier Grunewald (born 1959), French photographer and author
See also Grünenwald (disambiguation)