In the 2003 Animatrix short film The Second Renaissance, the UN rejects the machine nation Zero-One's applications for membership. The rebuff sets off a war that would later end with the defeat of the humans by the machine army. The UN headquarters is destroyed by a machine ambassador signing an armistice document.
In the 2016 Marvel Studios film Captain America: Civil War, the United Nations building in Vienna is the site of a bombing, and the United Nations is the organization that approves and writes the Sokovia Accords.
The One Nation Earth (aka O.N.E.), from the Apocalypse film series, and headed by Franco Macalousso. O.N.E. is meant to be the one world government as prophecised in the Bible.
The United Nations Godzilla Countermeasures Force appears in the Godzilla film series.
The United World Confederacy in the 2012 film Iron Sky, though it is still referred to in dialogue as "the UN".
In a 1962 episode of The Twilight Zone, "To Serve Man", United Nations delegates host and interview an alien race seemingly interested only in helping humanity.
In the series seaQuest DSV, following the growing colonization of the world's oceans, the world is brought into conflict over underwater territories which eventually leads to the collapse of the United Nations. The United Earth Oceans is formed to take its place.
On the animated show Animaniacs, the Warners sing a song about the UN to the tune of Down By the Riverside, referencing the building's location on the shore of the East River.
The United Nations exists in the Defiance universe. In 2015 the United Nations grants land in Brazil to build a Votan colony, and in 2023 the Votan diplomat is killed outside the UN building in New York. This leads to war, and the Earth Republic government established after the war is led by remnants of the United Nations.
In an episode of Family Guy called "E. Peterbus Unum", Peter Griffin creates his own small nation within the United States. After becoming a member of the United Nations, he asks for a seat at the front because he can't hear or see. Kofi Annan and the other member states ridicule him.
In the science fiction series The Expanse, the United Nations is the governing body of a united Earth, competing with the Mars-based MCR over asteroid belt resources.
In the political drama series House of Cards, Claire Underwood then First-Lady, becomes UN Ambassador in a recess appointment. The UN plays a large role in the third season of the show as the Underwood couple goes head-to-head with the Russian President in a peacekeeping resolution.
In the cyberpunk science fiction series Altered Carbon, the United Nations is the unified government of all of humanity, which has since established a hundred-light-year interstellar empire.
The League of Non-Aligned Worlds, Earth Alliance, and Interstellar Alliance from the Babylon 5 television series. The Babylon 5 station itself was originally created as a UN in space with a council comprising the major powers of the setting, namely the Earth Alliance, the Centauri, the Narn, the Vorlons, the Minbari and the League (whose members are individually represented but they share a single seat and vote on the council).
Scorched Earth is a 2019 novel by Tammy Pemper based on the actual events of peacekeeping in East Timor during the 1999 referendum. By the time the violence throughout the land reached its end, the invasion and occupation of East Timor resulted in the killing of a third of the Timorese population and the torturing of thousands.
Srivijaya by Raymond G. Trombley is a novel about a terrorist group that attempts to coerce the UN Security Council into a resolution.
United Nations International Critical Response and Tactical Team (UNICRATT) appears in the novel Sahara by Clive Cussler.
United Nations Global Occult Coalition (UNGOC) or just Global Occult Coalition (GOC). A coalition of 108 organizations (such as the Illuminati and Templar Knights) formed in 1946 and under the supervision of the United Nations to destroy paranormal and supernatural objects and hostile entities. Made up of multiple divisions e;g. STRIKE team and PHYSICS division. Appears multiple times in the SCP Foundation series, sometimes as an ally and sometimes an antagonist.
One of the novels in the Choose Your Own Adventure book series is called UN Adventure, where the reader is a Model United Nations delegate who can be tasked to handle diplomatic assignments. One task is verifying the existence of nuclear weapons inside the fictional former Soviet republic of Arkistan.
In Arthur C. Clarke's 1953 novel Childhood's End Rikki Stormgren of Finland, the Secretary-General of the United Nations, is chosen by the mysterious alien "Overlords" (who have taken over the Earth) as their only liaison with the human race.
A recurring phrase in the CHERUB book series is "Why don't you write a letter to the United Nations?", upon someone claiming unfair treatment or a breach of the rules of a training exercise.
In Isaac Asimov's 1951 short story, "Shah Guido G.", the United Nations becomes a tyrannical and oppressive world government run by a dynasty of hereditary Secretaries-Generals who rule Earth from a levitating island called Atlantis.
Emmanuel De Paolo, UN Secretary General, is a major character in Ben Bova's Millennium. In 1999 (a future date at the time of writing) the Secretary General watches helplessly as Americans and Soviets escalate towards a seemingly inevitable nuclear war. Suddenly the American and Soviet Moon colonists join forces, and capture their respective countries' anti-ballistic missile satellites. This gives them the power to interdict missiles and thus prevent the war. The Secretary General teams up with the Moon rebels, and gets many smaller nations to join by promising them effective weather control from orbit. Angry New York mobs set the UN Headquarters on fire.
In Robert Van Kampen's novel The Fourth Reich, Adolf Hitler's spirit is released from Hell and enters an embryo created from his cloned DNA. He's then born in Russia and grows up to become that country's dictator. Eventually he reveals his true identity to the world before the UN Assembly General, and takes up the role of the Antichrist predicted in Christian eschatology.
In James S. A. Corey's science fiction series The Expanse, the United Nations is the governing body of a united Earth, competing with the Mars-based MCR over asteroid belt resources.
The 1986 novel The Coming of the Quantum Cats features a timeline in which World War II never happened and instead of the United Nations, the League of Nations still exists.In this world, the US and Soviet Union both developed nuclear weapons and entered a Cold War which turns hot in the course of the book. After a limited nuclear exchange in which Washington, D.C. and other places are destroyed, the League of Nations intervenes to prevent greater destruction and bloodshed, disbanding both the American and the Soviet armies and sending League troops to temporarily administer their territories.
In "Summertime Blues", Eddie Cochran sings "I'm gonna take my problem to the United Nations", appealing the decisions of a school-age boy's boss and parents that interfere with his summer social life.
In "Operation", from Jamie T's 2007 album Panic Prevention, he repeatedly sings "Take your problem to United Nations. Tell old Kofi about the situation", referring to Kofi Annan, who was Secretary-General of the United Nations at the time Jamie T wrote the song, but not by the time the album was released.
In "The Words That Maketh Murder", from PJ Harvey's 2011 album Let England Shake, Harvey sings "What if I take my problem to the United Nations?", referring both to Eddie Cochran's "Summertime Blues" and the United Nations' stated mission to promote peace.
In the fictional Strangereal setting of the Ace Combat games, the UN exists in various forms. In Ace Combat 7: Skies Unknown, the Independent United Nations Peackeeping Forces (IUN-PKF) engages in combat against a belligerent Erusea; Ace Combat 3: Electrosphere, a futuristic version of the IUN exists, called the Neo United Nations (NUN), with Gabriel Clarkson as Secretary-General.
In Ace Combat Infinity, United Nations Forces is the formal armed forces formed by the United Nations, to maintain global stability in the aftermath of an impact event called the Ulysses Disaster.
In Surveillance Kanshisha, the UN establishes a counter-terrorist unit called Shadow Sword in order to safeguard the Earth-Mars space travel route and the people using it from a mysterious terrorist group called Neo-Kleit.
In SimCity 3000, the UN building can be built as a landmark.
In the grand strategy science fiction game Stellaris, one of the fates of the human race is to become the United Nations of Earth, which is most likely the successor to the UN of modern times.
The UN was disbanded on July 27, 2052 in the Fallout series. This led to rising international tensions over the coming decades and eventually to a global nuclear war in 2077, destroying civilization across the globe.
The Systems Alliance in the Mass Effect video game series. The Citadel and its Council, comprising the three great powers of the Asari, Salarians and Turians, also function as an interstellar, interspecies United Nations.
United Nations Cosmo Force, a space military branch administrated by the UN in the anime Space Battleship Yamato 2199, in which the Yamato sails as a UNCF vessel. However this affiliation is only in the remake, and there is no mention of the UN in the original run of Space Battleship Yamato.
U.N. Spacy, a fictional military arm of the Earth U.N. Government (地球統合政府 Chikyuu Tougou Seifu) from the Japanese anime series Macross.
The Gutsy Galaxy Guard (A.K.A. "GGG"; pronounced "Three-G"), a branch of the United Nations Earth Defense Force in The King of Braves GaoGaiGar. The Secretary General of the UN in this show's universe is identified by name and visage as the character Rose Approval
The United Nations Special Agency NERV has a significant role in Neon Genesis Evangelion. The United Nations in the series is powerful and has a standing army (unlike in the real world, where UN Peacekeepers are small numbers of troops donated by countries). They directly control NERV, an organisation whose purpose is to defend humankind from the children of Adam.
FLAG, a documentary-style anime series from 2006, is about a fictional war in central Asia and the UN flag that is raised above the battlefield which may be the key to peace. United Nation peacekeepers involved in the anime are known as UNF (United Nations Forces) peacekeepers.
In Mobile Suit Gundam 00, the United Nations leads a large-scale UN Peacekeeping Army formed by the World Economic Union, the Human Reform Alliance, and the Advanced European Union, to defeat the paramilitary organization Celestial Being. In the series' second season, the UN is reformed as the Earth Sphere Federation, designed to unite all countries as one real entity. The UN General Assembly hall was shown in the last episode of the first season.
In Muv-Luve Alternative: Total Eclipse, the fight against the human-eating BETA is conducted under the banner of the UN, which possesses its own military and military installations.
The Earth Sphere Unified Nation (ESUN) and other related organizations from the Gundam franchise.
In the Wildstorm universe the UN, through its top-secret Special Security Council, takes an active role in monitoring and dealing with posthumans and formed both the superpowered Stormwatch - overseen from a satellite by their director "The Weatherman" - and the non-superpowered Team Achilles as a response. Stormwatch's leader Jackson King is often portrayed in the UN buildings in New York. When King walks out and forms The Monarchy, the UN assign special agent Morro to monitor his activities.
In several issues of Superman, Superman is mentioned as having coordinated his activities with the United Nations.
The UN is a recurring character in the Polandball universe, often portrayed as a teacher, a judge or as a mediator, often ignored by the other countries.