Educational magazines
- Sisman, Robyn
- Sisson, C(harles) H(ubert) 1914-2003
- Sister Carrie
- Sitarz, Paula (Gaj) 1955-
- Sitch, Rob 1962-
- Sitchin, Zecharia 1920-
- Sites, Kevin
- Sitomer, Alan Lawrence
- Sittenfeld, Curtis 1975–
- Sittenfeld, Curtis 1976(?)-
- Sitton, Thad 1941–
- Sittser, Gerald L(awson) 1950-
- Siverling, Michael
- Siverling, Mike
- Six Characters in Search of an Author
- Six Degrees of Separation
- Sixel, Friedrich W. 1934-
- Sizemore, Susan
- Sizer, Theodore R. 1932–
- Sizwe Bansi Is Dead