Stephen Kaufman or variant spellings may refer to:
Stephen B. Kaufman, American politician S. K. Thoth (born 1956), born Stephen Kaufman, American performance artist Steve Kaufman (1960–2010), American artist Steve A. Kauffman, American professional sports agent Steven Kaufman (born 1977), American entrepreneur and philanthropist Steve Kaufmann (born 1945), Swedish-born Canadian hyperpolyglot