Philippi is a surname. Notable people with the surname include:
Alfred Philippi (1903–1994), German general WWII
Andreas Philippi (born 1965), German surgeon and politician
Bernhard Eunom Philippi, aka Bernardo Philippi (1811–1852), German naturalist and explorer
Donald Philippi (1930–1993), American translator of Japanese
Federico Philippi (1838–1910), German zoologist and botanist, son of Rodolfo Amando Philippi
Friedrich Adolf Philippi (1809–1882), Lutheran theologian
Friedrich Philippi (historian) (1853–1930), German archivist and historian
Mark Philippi (born 1963), American powerlifter
Rodolfo Amando Philippi (1808–1904), German-Chilean zoologist and botanist
Waldemar Philippi (1929–1990), German footballer