S

S may refer to:
 * Esu, known in the US as S, a Boys Love Genre Light Novel series by Saki Aida and Chihara Nada.
 * S, a Shoujo tennis manga by Setona Mizushiro.
 * S., a novel by John Updike.
 * S, a short-lived K-Pop group.
 * The page on One Letter Titles.

[[Category:S]]