This is a list of fictional nobility that have appeared in various works of fiction. This list is organized by noble rank and limited to well-referenced, notable examples of fictional members of nobility.

Dukes and duchesses

These are fictional characters with the title of "duke" or "duchess". Fictional duke or duchessWorkNotesThe Duke of AlasiaKing of CadoniaThe reluctant heir presumptive to the throne of Cadonia and the father of Princess Marie.Duchess AnnagoviaDiscworldThe ruler of the Duchy of Borogravia.Leto I AtreidesDuneThe Duke of House Atreides, and the father of Paul Atreides.Paul AtreidesDuneThe Duke of House Atreides after the death of his father, Leto Atreides I. Also served as Padishah Emperor of the Known Universe when House Corrino was ousted and the head of House Atreides became ex officio to the emperor.Duke AymonMatter of FranceThe Duke of Dordone, the son of Doon de Mayence, and the father of Renaud de Montauban.Simon BassettBridgertonThe Duke of Hastings, a character in Julia Quinn's Regency romance novels and the Netflix adaptation of the same name. Simon inherits his estranged father's title upon his death and swears off children to deny him the legacy of an heir of his line. Edmund BlackadderThe Black AdderEdmund, Duke of Edinburgh, the second son of the fictional King Richard IV of England, whose descendants subsequently fall in status in future generations.Diego de CastamarThe Cook of CastamarThe Duke of Castamar.Ascoyne D'AscoyneKind Hearts and CoronetsThe 9th Duke of Chalfont. The head of a private bank, D'Ascoyne hires his previously disowned relative Louis Mazzini after initially rebuffing him following the death of his son (unaware that Mazzini killed him and other members of the D'Ascoyne out of revenge and to gain the dukedom himself). After Ethelred, the 8th Duke, is murdered by Mazzini, D'Ascoyne becomes the 9th Duke but dies from the shock of learning this.Ethelred D'AscoyneKind Hearts and CoronetsThe 8th Duke of Chalfont. Murdered by his previously disowned heir presumptive Louis Mazzini in a staged hunting accident to avenge his mother and ascend to the dukedom himself.Edmun DragonsbaneDragon's DogmaAlso known as "The Wyrmking", he is the immortal ruler of the Duchy of Gransys. Edmun had several wives, including Lady Aelinor of Meloire, but has no heir to ascend his throne.Duke Vedam DrenThe Elder ScrollsThe Duke of the Imperial District of Vvardenfell in the province of Morrowind.The DuchessAlice's Adventures in WonderlandOne of the inhabitants of Wonderland.Duke Duralumin Princess KnightThe evil duke who inherits the throne of Silverland.Isabella de FrissacIsabellaAn uninhibited noblewoman who works as a secret agent for Cardinal Richelieu.Duchess Gloriana XIIThe Mouse That RoaredThe ruler of the independent Duchy of Grand Fenwick, a tiny nation located in the Alps. In the books she is a young woman, aged 22 in the first novel, of marked beauty and competence. In the film, though similarly competent to her book equivalent, she is an elderly woman, and a widow.Gloriant, Duke of BruuyswijcGloriantThe protagonist of one of the four medieval Dutch dramas contained in the Van Hulthem Manuscript.Duke of DunstablePatienceThe leader of the 35th Dragoon Guards.Dorian HawkmoonThe History of the RunestaffThe Duke of Köln and an incarnation of the Eternal Champion.Edward HornimanThe Gentlemen (TV Series)The 10th Duke of Halstead, a British Army Captain who unexpectedly inherits his family's title and estate upon his estranged father's death, bypassing his older brother, and learns of his family's connection to organized crime.Duke IgthornAdventures of the Gummi BearsThe main villain of the series who rules the land and castle of Drekmore and has an army of ogres.Teteru LemercierThe World Is Still BeautifulThe reigning duke of the Rain Dukedom and the father of Princess Nike Lemercier.Grand Duke LeonidLe Grand DucThe Russian grand duke on a diplomatic visit to the United States, whom Luke escorts through the wild west in volume 40 of the Lucky Luke comic series by Moris.Louis D'Ascoyne MazziniKind Hearts and CoronetsThe 10th Duke of Chalfont. Originally disowned by the D'Ascoyne family due to his mother eloping with and marrying an Italian opera singer, Mazzini sought to murder the incumbent 8th Duke of Chalfont and the seven other family members between himself and the dukedom.Doña MercedesThe Cook of CastamarThe Duchess of Rioseco.The Duke of MonrothMoulin Rouge!A rich and powerful duke who invests in a play being performed at the Moulin Rouge.Alaric MorganDeryni novelsThe seventh Duke of Corwyn.NaimonMatter of FranceThe Duke of Bavaria.Duke OrsinoTwelfth NightThe Duke of Illyria.Orlando, Duke of OxfordThe King's ManA British aristocrat, owner of the Kingsman tailor shop and founder of the agency. The Grand Duke of OwlsRock-a-DoodleA giant magical owl and the main villain of the film. In the original play Chantecler on which the film Rock-a-Doodle is loosely based, the character is simply called "the Grand Duke".Alaric Pendlebury-DavenportBlandings seriesThe Duke of Dunstable, a recurring character in P. G. Wodehouse's series of stories centering around the fictional Blandings Castle.The Duke of Plaza-ToroThe GondoliersOne of the main characters in the opera, whose daughter is secretly married to Luiz, the heir to the kingdom of Barataria.ProsperoThe TempestThe rightful Duke of Milan and the father of Miranda.Duke de RichleauThe Forbidden TerritoryThe Duke De Richleau is a fictional character created by Dennis Wheatley who appeared in 11 novels beginning with "The Forbidden Territory".The Duke and Duchess of SoleannaSonic the Hedgehog (2006)The previous rulers of the sovereign island country of Soleanna and the parents of Princess Elise.Mortimer Sto HelitDiscworldFormerly the apprentice to Death, Mortimer (also known as Mort) is elevated to Duke of Sto Helit by Queen Kelirehenna of Sto Lat for saving her life after the previous Duke died due to his lifetimer being accidentally destroyed.Susan Sto HelitDiscworldThe Duchess of Sto Helit.Duchess Sophie von TeschenThe IllusionistThe love interest of Eisenheim the illusionist.Theo, Duke of TintagelThe BuccaneersThe most eligible bachelor competing for Nan St. George's affections in Edith Wharton's unfinished last novel about dollar princessess seeking titled husbands.The Duke of VelcroniaSonic UndergroundThe minor antagonist of the series.Sam VimesDiscworldThe Duke of Ankh.The Duke of WeseltonFrozenAn antagonist in the film.Gerald WimseyLord Peter Wimsey seriesThe Duke of Denver, a character in the series by Dorothy L. Sayers. He is the older brother of Lord Peter Wimsey, a gentleman detective who solves mysteries for his own amusement. The title is eventually inherited by Peter.The Duke of ZillFelix the Cat: The MovieThe evil ruler of the Land of Zill who takes over the Kingdom of Oriana with his robotic army. He is the uncle of Princess Oriana.Her Enlightened Highness, Duchess Anna HenriettaWitcherThe Duchess of Toussaint, within the Nilfgaardian Empire. A distant relation to Emperor Emhyr. She hosts Geralt and his party as they venture in search for Ciri, then later invites him back to the Duchy to deal with The Beast of Beauclair.

Marquesses and marchionesses

These are fictional characters with the title of "marquess" or "marchioness". Fictional marquess or marchionessWorkNotesEnrique de ArconaThe Cook of CastamarThe Marquis of Soto and Campomedina.Marquis Thomas d'ApcherBrotherhood of the Wolf (a.k.a. Le Pacte des loups)A protagonist and narrator.Marquis of BrothertonIs He PopenjayTale of a nasty marquis who mistreats his family, hates England and marries an Italian woman of dubious antecedents by whom - supposedly - he has an heir, who bears the courtesy title of Lord Popenjoy.Marquis de Carabas"Puss in Boots"A poor low-born young man who, with the help of his intelligent cat, gains the wealth and status of a nobleman. Later variations of this character include the following: The Marquess of Carabas in the novel Vivian Grey. The Marquis de Carabas in the TV series Neverwhere and its companion novelization of the same name. Pierre, the Marquis de Carabas, in the webcomic No Rest for the Wicked.Marquise De CatRootThe imperial ruler of an industrialized state who occupies the forest in which the game takes place.Charles DarnayA Tale of Two CitiesA wealthy Frenchman who gains the title of Marquis around the time of the French Revolution.Vernon Dauntry, The Marquis of AlverstokeFredericaAn elegant, jaded nobleman whose life is turned upside down by the arrival in town of his Merriville cousins.EmiliaSítio do Picapau AmareloThe Marchioness of Rabicó.Marquis St. EvrémondeA Tale of Two CitiesA pitiless and arrogant French aristocrat, and the uncle of Charles Darnay.The Marquis de LantenacNinety-ThreeA commander of a group of royalists during the French Revolution.Marquis AndrealphusHelluva BossSister of Stella and brother-in-law to Stolas, like other characters from the show he is lifted directly from the lesser key of Solomon.Marquess of MarchmainBrideshead RevisitedAlexander Flyte, father of Lord Sebastian Flyte and Lady Julia Flyte, love interests of the novel's narrator Charles Ryder.The Marquis de la Tour d'AzyrScaramoucheA cruel French nobleman.Carla Rosón CaleruegaEliteShe is the daughter of a marquess and is extremely wealthy.Marchioness of Auld ReekieCan You Forgive Her? (Palliser novels by Anthony Trollope)Aunt to Lady Glencora M'Cluskie, who uses hard persuasion to get her to give up Burgo Fitzgerald and marry Plantagenet Palliser, heir apparent to the Duke of Omnium and GatherumHugh MacClare, Marquess of FlintshireDownton AbbeyA Scottish nobleman and relative of the Crawleys.Marquise Spinneret MindfangHomestuckA high-blooded pirate and ancestor of Vriska Serket.Marquis Ogawara Mystery of RampoThe mysterious lord whom Shizuko, the woman Rampo has been following, has an affair with. Edith Pelham Downton AbbeyThe Marchioness of Hexham, second daughter of Robert Crawley, Earl of Grantham.Herbert "Bertie" PelhamDownton AbbeyThe Marquess of Hexham.Marquess of QueensberryMike Tyson MysteriesThe title of John Douglas, however out of ignorance the rest of the cast just calls him Marques.Marquis Vincent Bisset de GramontJohn Wick: Chapter 4A high-ranking member of The High Table tasked to kill John Wick, the main protagonist.Marquis of SeraultDragon Age: The Last CourtA male or female ruler of the town of Serault, famed across the Orlesian Empire for its glassworks but shunned by most nobles due to the Shame of Serault, an ancestor infamous for his insanity.Jonathan Blake, Marquess of DoonThe Seance of Blake ManorOne of only two surviving members of the Blake family, the other being his son, Walter Blake. The hotel where the game takes place was once a part of the Blake manor.

Counts and countesses

These are fictional characters with the title of "count" or "countess".