SEX, a mnemonic for advice about writing essays (stands for Sentence, Explanation, and eXample)

Sexual reproduction

Sex symbol

Sex (activity)

A sextant is a measuring instrument in the shape of 1/6 of a circle

Chicken sexing

Sexual attraction

Sexdactyly: A genetic condition which causes people to have 6 fingers instead of the usual 5

Sextilis, the sixth month of the early Roman calendar

Sextet: A group of six musicians

Sexagenarian: A person who is six decades old

Sexus (a disambiguation page)

Sex (from Latin sexus), relating to biological gender

Human sexuality, Human sexual behavior

Sex, a 1926 play by Mae West

Sex, a 1992 book by entertainer Madonna and photographer Steven Meisel

Sex (TV series). an Australian television series that ran on the Nine Network from 1992 to 1993.

Sex: The Annabel Chong Story, a 1999 documentary film about porn star Annabel Chong

SEX, a boutique on Kings Road in the Chelsea district of London

Sex, a song by Frank Zappa appearing on the 1983 album The Man from Utopia.

S.E.X. refers to Sports Entertainment Xtreme, a professional wrestling stable.

Sex (Kath & Kim episode), the pilot episode of the Australian comedy series Kath & Kim.

From Latin sex "six" (see also numerical prefix)

Sex, an abbreviation for the constellation Sextans

The "SEX" assembly language mnemonic is often used for the "Sign EXtend" machine instruction found in the PDP-11 and many other computer architectures

From seax, Saxon:

Wessex, Essex, Sussex

Sexi, a Phoenician colony in modern-day Spain