Sheafer, Sheaffer, and Sheafor are variations of a surname.
People with this surname include
Sheafer Edward D. Sheafer Jr. (1940–2016), United States Navy officer
Sheaffer Danny Sheaffer (born 1961), American baseball player John Richard Sheaffer (born 1931), is an American innovator Robert Sheaffer (born 1949), American freelance writer and UFO skeptic Sasha Pieterse (née Sheaffer; born 1996), South African-born American actress, singer and songwriter Walter A. Sheaffer (1867–1946), American inventor and businessman
Sheafor John W. Sheafor (1852–1928), justice of the Colorado Supreme Court Nathan Sheafor (born 1961), American cyclist