I
- I'll show you mine if you show me yours
- ID Lubricants
- Ideal Marriage: Its Physiology and Technique
- Identity (social science)
- Imagery of nude celebrities
- Immanuel Kant
- Impact play
- Implantation (human embryo)
- Imprinting (psychology)
- In Praise of the Stepmother
- In vitro fertilisation
- Incest
- Incest in popular culture
- Indecent exposure
- Index of BDSM articles
- Index of human sexuality articles
- Index of sexology articles
- Infertility
- Infidelity
- Inis Beag
- Insemination
- Inside Deep Throat
- Institut für Sexualwissenschaft
- Institute for Advanced Study of Human Sexuality
- Instruction and Advice for the Young Bride
- Intercrural sex
- Interferon tau
- International Academy of Sex Research
- International Fetish Day
- International Mr. Leather
- Internet addiction disorder
- Internet pornography
- Internet relationship
- Internext
- Interpersonal attraction
- Interracial personals
- Intersexual Pride flag
- Intimate relationship
- Involuntary celibacy
- Irrumatio
- Is the School House the Proper Place to Teach Raw Sex?
- Ishq
- Islam and sexual orientation
- Islamic sexual jurisprudence
- It's Perfectly Normal
- It's So Amazing
- It girl
Read more about this topic: Index Of Human Sexuality Articles