Rights affecting lesbian, gay, bisexual, transgender and queer (LGBTQ) people vary greatly by country or jurisdiction—encompassing everything from the legal recognition of same-sex marriage to the death penalty for homosexuality.

Notably, as of January 2025^[update], 38 countries recognize same-sex marriage. By contrast, not counting non-state actors and extrajudicial killings, only two countries are believed to impose the death penalty on consensual same-sex sexual acts: Iran and Afghanistan. The death penalty is officially law, but generally not practiced, in Mauritania, Saudi Arabia, Somalia (in the autonomous state of Jubaland) and the United Arab Emirates. LGBTQ people also face extrajudicial killings in the Russian region of Chechnya. Sudan rescinded its unenforced death penalty for anal sex (hetero- or homosexual) in 2020. Fifteen countries have stoning on the books as a penalty for adultery, which (in light of the illegality of gay marriage in those countries) would by default include gay sex, but this is enforced by the legal authorities in Iran and Nigeria (in the northern third of the country).

In 2011, the United Nations Human Rights Council passed its first resolution recognizing LGBTQ rights, following which the Office of the United Nations High Commissioner for Human Rights issued a report documenting violations of the rights of LGBT people, including hate crimes, criminalization of homosexual activity, and discrimination. Following the issuance of the report, the United Nations urged all countries which had not yet done so to enact laws protecting basic LGBTQ rights. A 2022 study found that LGBTQ rights (as measured by ILGA-Europe's Rainbow Index) were correlated with less HIV/AIDS incidence among gay and bisexual men independently of risky sexual behavior.

The 2023 Equaldex Equality Index ranks the Nordic countries, Chile, Uruguay, Canada, the Benelux countries, Spain, Andorra, and Malta among the best for LGBTQ rights. The index ranks Senegal, Oman, Brunei, Afghanistan, Somalia, Eritrea, Gambia, and Iran among the worst. A 2023 opinion poll by Gallup found that Nepal was the only non-Western country where percepted acceptance was high. Asher & Lyric ranked Canada, Sweden, and the Netherlands as the three safest nations for LGBTQ people in its 2023 index.

Laws that affect LGBTQ people include, but are not limited to, the following:

Ayoni or non-vaginal sex of all types is punishable in the Arthashastra. Homosexual acts are, however, treated as a smaller offence punishable by a fine, while unlawful heterosexual sex carries much harsher punishment. The Dharmsastras, especially the later ones, prescribe against non-vaginal sex like the Vashistha Dharmasutra. The Yājñavalkya Smṛti prescribes fines for such acts including those with other men. Manusmriti prescribes light punishments for such acts. Vanita states that the verses about punishment for a sex between female and a maiden is due to its strong emphasis on a maiden's sexual purity.

The ancient Law of Moses (the Torah) forbids people from lying with people of the same sex (i.e., from having intercourse) in Leviticus 18 and gives a story of attempted homosexual rape in Genesis 19, in the story of Sodom and Gomorrah, after which the cities were soon destroyed with "brimstone and fire, from the Lord" and the death penalty was prescribed to its inhabitants – and to Lot's wife, who was turned into a pillar of salt because she turned back to watch the cities' destruction. In Deuteronomy 22:5, cross-dressing is condemned as "abominable".

In Assyrian society, sex crimes were punished identically whether they were homosexual or heterosexual. An individual faced no punishment for penetrating someone of equal social class, a cult prostitute, or with someone whose gender roles were not considered solidly masculine. Such sexual relations were even seen as good fortune, with an Akkadian tablet, the Šumma ālu, reading, "If a man copulates with his equal from the rear, he becomes the leader among his peers and brothers". However, homosexual relationships with fellow soldiers, slaves, royal attendants, or those where a social better was submissive or penetrated, were treated as bad omens.