Michaelis or Michelis is a surname. Notable people and characters with the surname include:Adolf Michaelis, German classical scholar Anthony R. Michaelis, German science writer Edward Michelis, German theologian Georg Michaelis, German politician Gustav Adolf Michaelis, German obstetrician and namesake of the rhombus of Michaelis Hans-Thorald Michaelis, German historian Johann David Michaelis, German biblical scholar John H. Michaelis, American four-star general Laura Michaelis, American linguist Leo Michelis, Greek-Canadian economist Leonor Michaelis, German scientist known for Michaelis–Menten kinetics Max Michaelis, South African financier Margaret Michaelis-Sachs, Austrian-Australian photographer Paul Charles Michaelis, American scientist Peter Michaelis, German botanist Robert Michaelis (1878–1965), French-born actor and singer who settled in England Sebastian Michaelis, the demon butler from Kuroshitsuji Sebastien Michaelis, French inquisitor and writer of Michaelis' classification of demons Susanne Maria Michaelis, German linguist
