Educational magazines
- Sington, David
- Sington, Philip 1962–
- Singular, Stephen 1950–
- Sinha, Indra 1950-
- Sinha, Manisha 1962-
- Sinisalo, Johanna 1958–
- Sinkankas, John 1915-2002
- Sinnett, Mark C. 1963-
- Sinyard, Neil 1945–
- Sinykin, Sheri(l Terri) Cooper 1950-
- Sipherd, Ray 1935-
- Sir Patrick Spens
- Siren Song
- Sirera, Rodolf 1948–
- Sirimarco, Elizabeth 1966-
- Sirlin, Rhoda 1949-
- Sirois, Maria
- Sisk, David W. 1963-
- Siskind, Aaron 1903-1991
- Sisman, Adam