S
- Sacred Love (Philosophy)
- Sadism and Masochism
- Sadism and masochism as medical terms
- Sadism and masochism in fiction
- Sadomasochism
- Safe list
- Safe sex
- Salirophilia
- Same-sex attraction
- Same gender loving
- San Francisco Armory
- San Francisco Sex Information
- Sanky-panky
- Sarah Kofman
- Saudade
- Savage Grace
- Savage Love
- Schizoanalysis
- Scientology and sexual orientation
- Scopophilia
- Scrotal inflation
- Seasonal breeder
- Second skin (fetishism)
- Secret admirer
- Secret Museum, Naples
- Section 63 of the Criminal Justice and Immigration Act 2008
- Seduction
- Seduction community
- Seishitsu
- Self-love
- Semen extender
- Sensual massage
- Sensual play
- Serial monogamy
- Serial rape
- Serosorting
- Service-oriented (sexuality)
- SESAMO
- Settlements and bankruptcies in Catholic sex abuse cases
- Seven minutes in heaven
- Seven Minutes In Heaven
- Sex
- Sex-positive feminism
- Sex-positive movement
- Sex Addicts Anonymous
- Sex after pregnancy
- Sex and drugs
- Sex and Love Addicts Anonymous
- Sex and sexuality in speculative fiction
- Sex and the law
- Sex and/or gender diverse
- Sex assignment
- Sex at Dawn
- Sex club
- Sex diet
- Sex doll
- Sex education
- Sex education in the United States
- Sex in advertising
- Sex in space
- Sex industry
- Sex magic
- Sex manual
- Sex museum
- Sex organ
- Sex party
- Sex positions
- Sex scandal
- Sex segregation
- Sex shop
- Sex steroid
- Sex strike
- Sex surrogate
- Sex symbol
- Sex therapy
- Sex tourism
- Sex toy
- Sex toy party
- Sex Week at Yale
- Sex workers' rights
- Sex, gender and the Roman Catholic Church
- Sex: The Revolution
- Sexaholics Anonymous
- Sexercises
- Sexism
- Sexless marriage
- Sexological testing
- Sexology
- Sexting
- Sexual abstinence
- Sexual abuse
- Sexual activity during pregnancy
- Sexual addiction
- Sexual anorexia
- Sexual arousal
- Sexual arousal disorder
- Sexual assault
- Sexual Attitude Reassessment
- Sexual attraction
- Sexual bimaturism
- Sexual capital
- Sexual Compulsives Anonymous
- Sexual dimorphism
- Sexual dysfunction
- Sexual economy
- Sexual ethics
- Sexual fantasy
- Sexual fetishism
- Sexual field
- Sexual frustration
- Sexual function
- Sexual harassment
- Sexual health clinic
- Sexual identity
- Sexual Identity Therapy
- Sexual inhibition
- Sexual intercourse
- Sexual Intercourse
- Sexual intimacy
- Sexual lubricant
- Sexual meanings
- Sexual medicine
- Sexual minority
- Sexual misconduct
- Sexual morality
- Sexual narcissism
- Sexual network
- Sexual norm
- Sexual objectification
- Sexual orientation
- Sexual orientation and gender identity at the United Nations
- Sexual orientation and medicine
- Sexual orientation and military service
- Sexual orientation and the Canadian military
- Sexual orientation and the military of the Netherlands
- Sexual orientation and the military of the United Kingdom
- Sexual orientation and the United States military
- Sexual orientation change efforts
- Sexual orientation hypothesis
- Sexual orientation identity
- Sexual partner
- Sexual penetration
- Sexual Personae
- Sexual repression
- Sexual reproduction
- Sexual revolution
- Sexual ritual
- Sexual roleplay
- Sexual roleplaying
- Sexual script
- Sexual selection
- Sexual selection in human evolution
- Sexual slang
- Sexual slur
- Sexual stigma
- Sexual stimulation
- Sexual sublimation
- Sexual violence
- Sexual Violence: Opposing Viewpoints (2003)
- Sexuality and disability
- Sexuality and The Church of Jesus Christ of Latter-day Saints
- Sexuality in ancient Rome
- Sexuality in Ancient Rome
- Sexuality in Christian demonology
- Sexuality in Islam
- Sexuality in Japan
- Sexuality in music videos
- Sexuality in older age
- Sexuality in South Korea
- Sexuality in Star Trek
- Sexuality in the People's Republic of China
- Sexuality in the Philippines
- Sexuality Information and Education Council of the United States
- Sexuality of Abraham Lincoln
- Sexuality of Adolf Hitler
- Sexuality of David and Jonathan
- Sexuality of Jesus
- Sexuality of William Shakespeare
- Sexualization
- Sexually active life expectancy
- Sexually suggestive
- Sexually transmitted disease
- Sexuoerotic tragedy
- Shalom bayit
- Shelf (organization)
- Shemale
- Shettles Method
- Shidduch
- Shoe fetishism
- Short-arm inspection
- Sikhism and sexual orientation
- Sima Qian
- Simone de Beauvoir
- Singles Awareness Day
- Singles event
- Sinthome
- Sissy (transgender)
- Situational sexual behavior
- Skoptic syndrome
- Sleep sex
- Slut
- Smirting
- Smoking fetishism
- Snowballing (sexual practice)
- Social effects of pornography
- Social impact of thong underwear
- Society
- Society for the Advancement of Sexual Health
- Society for the Philosophy of Sex and Love
- Society for the Scientific Study of Sexuality
- Sociobiological theories of rape
- Sociosexual orientation
- Sodomy
- Sodomy law
- Soggy biscuit
- Somnophilia
- Soulmate
- Spandex fetishism
- Spectatoring
- Sperm
- Sperm heteromorphism
- Sperm motility
- Sperm Wars
- Spermalege
- Spermarche
- Spermatheca
- Spermatid
- Spermatogenesis
- Spermatogenesis arrest
- Spermatorrhea
- Spermatozoon
- Spermicide
- Spin the bottle
- Spinster
- Spiritual marriage
- Spirituality
- Spooning (cuddling)
- Sporogenesis
- Stalag fiction
- Stamen
- Star-crossed
- State v. Limon
- Statutory rape
- Stereotypes
- Stigma (botany)
- Stigma (film)
- Stigmatic-eligibilic paraphilia
- Stillbirth
- Stimulation of nipples
- Strap-on dildo
- Strip club
- Strip game
- Strip poker
- Stripper
- Sub-replacement fertility
- Sublimation (psychology)
- Sumata
- Survivors Healing Center
- Survivors of Incest Anonymous
- Suzanne Lilar
- Swedish Association for Sexuality Education
- Swing club
- Swinging
- Swingstock
- Sybian
- Symphorophilia
- Syphilis
Read more about this topic: Index Of Human Sexuality Articles