Schaefer (along with various similar spellings) is a surname of Germanic origin.

Schaefer, Schaffer, or Shafer may also refer to:

Places Cities and towns: Schaffer, Kansas, an unincorporated community in Rush County Shafer, Minnesota, a city in Chisago County Shafer Township, Chisago County, Minnesota, the township adjacent to the city Schaffer, Michigan, an unincorporated community in Delta County Schafer, North Dakota, an unincorporated community in McKenzie County Landforms Lake Shafer, Indiana Schaefer Head, mountain in Pennsylvania Schaefer Islands, Antarctica Shafer Peak, Antarctica Shaffer Creek, a tributary of Brush Creek in Bedford County, Pennsylvania

Other uses Schäferhund, German Shepherd Dog Schaefer Beer, a brand of beer from the United States Shaffer (company), a wholly owned subsidiary of National Oilwell Varco Schaefer Music Festival, formerly an annual music festival held in New York City's Central Park Schaffer paragraph, a five-sentence paragraph style developed by Jane Schaffer, used to write essay Willi Schaefer, a German wine grower and producer based in the Mosel wine region of Germany.

See also Schaeffer (surname) Schafer automation system, a system for automating radio station programming Schaefer-Bergmann diffraction, the resulting diffraction pattern of light interacting with sound waves in transparent crystals or glasses Schaffer collaterals, given off by CA3 pyramidal cells in the hippocampus Shafer Commission, another name for the National Commission on Marihuana and Drug Abuse formed in the 1970s to study marijuana abuse in the United States Schaefer's theorem, either of two unrelated mathematical theorems