The following outline is provided as an overview of and topical guide to sexual ethics:
Sexual ethics – branch of philosophy that explores the moral obligations, and permissibility, or impermissibility of sexual activities. Also deals with issues arising from all aspects of sexuality and human sexual behaviour relating to the community and personal standards regarding the conduct of interpersonal relationships, including issues of consent, sexual relations before marriage and/or while married, including the issues of marital fidelity and premarital and non-marital sex, sexual orientation, and more.
A branch of philosophy of sex – part of applied philosophy studying sex and love. It includes both ethics of phenomena such as prostitution, rape, sexual harassment, sexual identity, the age of consent, and homosexuality, and conceptual analysis of concepts such as "what is sex"?
Marriage—how the love described above is or is not related to the permissibility or forbiddenness of sex; what kind of commitment it is that is central to marriage.
Animal sexual behaviour, including masturbation and the majority of other topics on this list: the implications for the obligatoriness, permissibility, or forbiddenness of such behaviors in humans