F
- Fabeltjesland: the name of a land, only with animals, in the Dutch TV series de Fabeltjeskrant.
- Far Eastern Republic: a nation from the Mission: Impossible TV episode "Commandante".
- Far Far Away: the name of the kingdom in Shrek 2 and Shrek 3
- Farfelu: a surrealisitic place in the novel The Kingdom of Farfelu by André Malraux (see )
- Fato: Briefly mentioned in Ace Combat 5.
- Fawzia: Middle Eastern kingdom in the film John Goldfarb, Please Come Home
- Federated Peoples' Republic: a nation hostile toward the Kingdom of Bahkan in the Mission: Impossible TV episode "Fool's Gold". Possibly the same as the Federated People's Republic: from the Mission: Impossible TV episode "Time Bomb".
- Federated States of Europe: Soviet-dominated European superstate in the post-apocalyptic Guardians novel series by Richard Austin.
- Federated Union of Earth: inept, bureaucratic world government in the Universal Century timeline of the Gundam metaseries.
- Fenua Ua: tiny, poor South Pacific island nation (part of the Society Islands) targeted for a friendly corporate takeover in the novel The Business by Iain Banks.
- Feudalia: Little exploited bureaucratic country ruled by Field Marshal Manuel Anzábalon in several works by Les Luthiers
- Findas: country sunk under the waves in The Book of Conquests by Jim Fitzpatrick
- Fiore: The region from Pokémon Ranger and a neutral country of 17 million in the anime Fairy Tail
- Florin: The country run by Prince Humperdinck in The Princess Bride by William Goldman
- Flyspeck Island: home of Gunk in the comic strip Curtis
- Foo: from the Leven Thumps series a popular children's fantasy series by writer Obert Skye
- Forest Kingdom: from Simon Green's Blue Moon Rising. Ruled by King John.
- Franistan: from the I Love Lucy episode 'The Publicity Agent' in which Lucy petends to be the "Maharincess of Franistan", royalty from a faraway land who is a big fan of Ricky's, in order to get Ricky some publicity.
- Fredonia: from Nancy Drew: The White Wolf of Icicle Creek
- Freedonia: European country from the Marx Brothers film Duck Soup
- Freiland: from Freiland by Theodor Hertzka
- Frobnia: an Eastern Bloc nation from Infocom's interactive fiction game Border Zone
- Fröland: Island in the North Sea in the Dutch TV series Fröland.
Read more about this topic: List Of Fictional Countries