Sex crimes are forms of human sexual behavior that are crimes. Someone who commits one is said to be a sex offender. Some sex crimes are crimes of violence that involve sex. Others are violations of social taboos, such as incest, sodomy, indecent exposure or exhibitionism. There is much variation among cultures as to what is considered a crime or not, and in what ways or to what extent crimes are punished.
Sex and the law deals with the regulation by law of human sexual activity. Sex laws vary from one place or jurisdiction to another, and have varied over time, and unlawful sexual acts are also called sex crimes.
The activities listed below carry a condition of illegality in some jurisdictions if acted upon, though they may be legally role-played between consenting partners of legal age:
- Rape, lust murder and other forms of sexual assault and sexual abuse
- Child sexual abuse
- Statutory rape
- Spousal rape
- Obscenity
- Human trafficking
- Frotteurism, sexual arousal through rubbing one's self against a non-consenting stranger in public
- Exhibitionism and voyeurism, if deliberate and non-consensual, called "indecent exposure" and "peeping tom" respectively in this context.
- Incest between close relatives
- Telephone scatologia, making obscene telephone calls for the purpose of sexual arousal
- Sex with animals
- Necrophilia
- Sexual harassment
- Sexual acts by people in a position of trust (such as teachers, doctors and police officers), towards people under 18 which they are involved with professionally.
- Public order crimes are crimes that interrupt the flow of daily life and business according to local community standards. Public order crimes include paraphilia (deviancies).
- Various paraphilias and sexual fetishes such as transvestitism
- Prostitution and/or pimping
- Ownership of vibrators and other sex toys
- Public urination
- Streaking
- Sodomy
- Stealing underwear, sometimes regarded as more serious when done in a sexual context.