Greger is a surname. Notable people with the surname include: Christoph Greger (born 1997), German footballer. Jonas Greger Walnum (1771–1838), Norwegian property owner and politician. Debora Greger (born 1949), American poet and artist. Luise Greger (1862–1944), German composer and pianist. Max Greger (1926–2015), German Jazz musician, saxophonist, big band director and conductor. Michael Greger (born 1972), American physician, author, and speaker on public health issues. Piotr Greger (born 1964), Polish Roman Catholic bishop. Rolf Greger Strøm (1940–1994) Norwegian luger. See also.
https://en.wikipedia.org/wiki/Greger