R
- Radiata: the setting of the video game Radiata Stories
- Ragaan: Southeast Asian country, located between Thailand and Malaysia, in the Australian Broadcasting Corporation's TV series Embassy
- Rapture: underwater city-state in the video game Bioshock and its sequel. Founded as an anarcho-libertarian utopia; by the timeframe of the games, a chaotic dystopia.
- Ramat: rich Middle Eastern country overthrown by revolutionaries in Agatha Christie's detective novel Cat Among the Pigeons
- Raspur: defined as "a nonexistent but real-sounding country" in the movie What's Up, Tiger Lily? The grand Marjat says of it "I hope it's someplace in the Mediterranean."
- Rauick: The country name as well as the capital from Realm of Empires, the king is CassusFett
- Ravi: an Indian Princely State in John Masters' The Ravi Lancers
- Razkavia: Germanic country in Philip Pullman's The Tin Princess
- Realia: wartorn Latin American republic in the video game Boiling Point: Road to Hell
- Réndøosîa / Rendoosia: an Eastern European country that experiences an unusually high rate of natural disasters in The Amazing Adrenalini Brothers animation.
- La Republica de los Bananas: from the board game Junta, a literal banana republic
- República de los Cocos: a small, neutral Latin American state in the 1966 film "Su Excelencia" starring Mario Moreno or Cantinflas
- Republic of Bergen: Small Scandinavian nation (and the native country of main character Albert Grabner) in the video game Front Mission: Gun Hazard
- Republic of French Stereotypes: A future country hated by everyone in Futurama
- República Popular del Tandil: Republic located inside Argentinian territory, with almost five person with passport, and one embassy in Spain
- Rezzapyrk: (pronounced Rezza-Perk) A Balkanesque communist country from the novel Operation Roughneck.
- Rhodia: African nation in the comic strip The Phantom. Possibly based on Rhodesia
- Riallaro: from Godfrey Sweven's Riallaro, the Archipelago of Exiles
- Riechtenburg: a German-speaking principality roughly corresponding to Liechtenstein in the Dornford Yates thrillers Blood Royal and Fire Below
- Robo-Hungarian Empire: the home of Bender's uncle in Futurama; a parody of Austria-Hungary
- Rockport: from the video game Need for Speed: Most Wanted
- Rogatine: pre-ice age kingdom, home of Red Sonya
- Rolisica: country in the film Mothra; apparently a conglomeration of the USA and USSR
- Romanovia: Eastern European country featured in the comedy Dodgeball: A True Underdog Story. Dodgeball is the national sport.
- Ronguay: a tiny South American country in Ducktales.
- Rohan: Country in J. R. R. Tolkien's Lord of the Rings series.
- Rudyardia: a white supremacist Central Africa state in Marvel Comics, bordering the equally fictional Wakanda. Probably named after Rudyard Kipling.
- Rumackistan: a country in the Danny Phantom episode "Bitter Reunions".
- Ruritania: a German-speaking kingdom in central Europe from Anthony Hope's The Prisoner of Zenda and associated works.
- Rubovia: a kingdom in central Europe. The location of the BBC children's television puppet series A Rubovian Legend
- Rukovia: a Balkan democracy from TV series Chaos (episode "Defending Sophia").
- Rumekistan: a fictional country in Marvel Comics ruled by Flag-Smasher.
- Rundoon: a kingdom in an unknown location in Peter and the Secret of Rundoon
- Runovia: the US's opponent in various international sports in Roger Ramjet
Read more about this topic: List Of Fictional Countries