Seyfert is a surname, and may refer to:

  • Carl Keenan Seyfert (1911–1960), United States astronomer
  • Gabriele Seyfert (born 1948), German athlete in figure skating
  • J. Michael Seyfert (born 1959), German Mexican documentary filmmaker, photographer
  • Johann Caspar Seyfert (1697–1767), German music composer
  • (1731–1772), German music composer, son of Johann Caspar Seyfert
  • R. Tracy Seyfert (born 1941), United States political figure from Pennsylvania

Other uses

  • Seyfert (crater), a crater on the far side of Earth's Moon that is named after Carl Keenan Seyfert
  • Seyfert Galaxy, a class of galaxies named after Carl Keenan Seyfert
  • Seyfert's Sextet, a group of galaxies located in a cluster some 190 million light-years from Earth

See also

  • Seifert, surname
  • Seiffert, surname
  • Siefert, surname