- Dongyeball
- Dordogneball
- Dordrechtball
- Doriansball
- Dornodball
- Dornogoviball
- Dorpat Voivodeshipball
- Dorraball
- Dorsetball
- Dortmundball
- Dossoball
- Doualaball
- Douglasball (Isle of Man)
- Doukkala-Abdaball
- Doverball (Delaware)
- Drava Banovinaball
- Dravaball
- Dregovichsball
- Drentheball
- Dresdenball
- Drina Banovinaball
- Drobeta-Turnu Severinball
- Drobeta Turnu-Severinball
- Drochiaball
- Drougobitaiball
- Drougoubitaiball
- Druskininkaiball
- Drvar Republicball
- Drâa-Tafilaletball
- Duarteball
- Dubaiball
- Dublinball
- Dubrovnik-Neretvaball
- Dubrovnik Republicball (1991)
- Dubăsariball
- Duchy of Amalfiball
- Duchy of Andechs-Meranball
- Duchy of Anhalt-Bernburgball
- Duchy of Anhalt-Köthenball
- Duchy of Anhaltball
- Duchy of Aostaball
- Duchy of Apulia and Calabriaball
- Duchy of Apuliaball
- Duchy of Aquitaineball
- Duchy of Archipelagoball
- Duchy of Arenbergball
- Duchy of Athensball
- Duchy of Auschwitzball
- Duchy of Austriaball
- Duchy of Auvergneball
- Duchy of Barball
- Duchy of Bavaria-Ingolstadtball
- Duchy of Bavaria-Landshutball
- Duchy of Bavaria-Munichball
- Duchy of Bavaria-Straubingball
- Duchy of Bavariaball
- Duchy of Beneventoball
- Duchy of Bergball
- Duchy of Bernstadtball
- Duchy of Bielskoball
- Duchy of Bohemiaball
- Duchy of Bouillonball
- Duchy of Brabantball
- Duchy of Breisgau-Modenaball
- Duchy of Breisgauball
- Duchy of Brittanyball
- Duchy of Brunswick-Bevernball
- Duchy of Brunswick-Calenberg-Göttingenball
- Duchy of Brunswick-Calenbergball
- Duchy of Brunswick-Celleball
- Duchy of Brunswick-Grubenhagenball
- Duchy of Brunswick-Göttingenball
- Duchy of Brunswick-Luneburgball
- Duchy of Brunswick-Lüneburgball
- Duchy of Brunswick-Wolfenbüttelball
- Duchy of Brunswickball
- Duchy of Brzegball
- Duchy of Bukovinaball
- Duchy of Burgundyball
- Duchy of Bytomball
- Duchy of Calabriaball
- Duchy of Campiniaball
- Duchy of Carinthiaball
- Duchy of Carniolaball
- Duchy of Castroball
- Duchy of Chablaisball
- Duchy of Clevesball
- Duchy of Coselball
- Duchy of Courland and Semigalliaball
- Duchy of Courland and Semigalliaball (1918)
- Duchy of Courlandball
- Duchy of Courlandball (1918)
- Duchy of Croatiaball
- Duchy of Croÿball
- Duchy of Estoniaball (1561-1721)
- Duchy of Falkenbergball
- Duchy of Ferraraball
- Duchy of Flandersball
- Duchy of Florenceball
- Duchy of Franconiaball
- Duchy of Freystadtball
- Duchy of Friuliball
- Duchy of Gaetaball
- Duchy of Gasconyball
- Duchy of Gelouball
- Duchy of Gladball
- Duchy of Guastallaball
- Duchy of Gueldersball
- Duchy of Głogówball
- Duchy of Głubczyceball
- Duchy of Hannoverball
- Duchy of Hanoverball
- Duchy of Hesseball
- Duchy of Holstein-Glückstadtball
- Duchy of Holstein-Gottorpball
- Duchy of Holstein-Pinnebergball
- Duchy of Holsteinball
- Duchy of Inner Austriaball
- Duchy of Jaworball
- Duchy of Jülich-Cleves-Bergball
- Duchy of Jülichball
- Duchy of Kldekariball
- Duchy of Kopanicaball
- Duchy of Krnovball
- Duchy of Kuefsteinball
- Duchy of Legnicaball
- Duchy of Limburgball
- Duchy of Limburgball (1556-1795)
- Duchy of Lithuaniaball
- Duchy of Livoniaball
- Duchy of Lorraineball
- Duchy of Lower Austriaball
- Duchy of Lower Bavariaball
- Duchy of Lower Lorraineball
- Duchy of Lower Pannoniaball
- Duchy of Luccaball
- Duchy of Luxembourgball
- Duchy of Lübenball
- Duchy of Mantuaball
- Duchy of Masoviaball
- Duchy of Massa and Carraraball
- Duchy of Mecklenburg-Güstrowball
- Duchy of Mecklenburg-Schwerinball
- Duchy of Mecklenburg-Strelitzball
- Duchy of Mecklenburgball
- Duchy of Menumorutball
- Duchy of Milanball
- Duchy of Mirandolaball
- Duchy of Modena and Reggioball
- Duchy of Modenaball
- Duchy of Montferratball
- Duchy of Münsterbergball
- Duchy of Naplesball
- Duchy of Nassauball
- Duchy of Neopatriaball
- Duchy of Normandyball
- Duchy of Nysaball
- Duchy of Oelsball
- Duchy of Ohlauball
- Duchy of Oldenburgball
- Duchy of Opole and Racibórzball
- Duchy of Opoleball
- Duchy of Oświęcimball
- Duchy of Palatinate-Neuburgball
- Duchy of Parmaball
- Duchy of Perugiaball
- Duchy of Philippopolisball
- Duchy of Plessball
- Duchy of Plönball
- Duchy of Podoliaball
- Duchy of Polandball
- Duchy of Pomeraniaball
- Duchy of Provenceball
- Duchy of Prussiaball
- Duchy of Racibórz-Krnovball
- Duchy of Racibórz-Opawaball
- Duchy of Racibórzball
- Duchy of Romeball
- Duchy of Rutheniaball
- Duchy of Rybnikball
- Duchy of Sabbionetaball
- Duchy of Saganball
- Duchy of Salanball
- Duchy of Salzburgball
- Duchy of Samogitiaball
- Duchy of Savoyball
- Duchy of Saxe-Altenburgball
- Duchy of Saxe-Coburg-Saalfeldball
- Duchy of Saxe-Coburg and Gothaball
- Duchy of Saxe-Coburgball
- Duchy of Saxe-Eisenachball
- Duchy of Saxe-Eisenbergball
- Duchy of Saxe-Gotha-Altenburgball
- Duchy of Saxe-Gothaball
- Duchy of Saxe-Hildburghausenball
- Duchy of Saxe-Jenaball
- Duchy of Saxe-Lauenburgball
- Duchy of Saxe-Meiningenball
- Duchy of Saxe-Meissenball
- Duchy of Saxe-Merseburgball
- Duchy of Saxe-Saalfeldball
- Duchy of Saxe-Weimar-Eisenachball
- Duchy of Saxe-Weimarball
- Duchy of Saxe-Weissenfelsball
- Duchy of Saxe-Wittenbergball
- Duchy of Saxe-Zeitz-Naumburgball
- Duchy of Saxe-Zeitzball
- Duchy of Saxey-Zeitzball
- Duchy of Saxonyball
- Duchy of Schleswigball
- Duchy of Siewierzball
- Duchy of Silesiaball
- Duchy of Soraball
- Duchy of Sorrentoball
- Duchy of Spoletoball
- Duchy of St. Savaball
- Duchy of Stargardball
- Duchy of Steinauball
- Duchy of Stettinball
- Duchy of Strehlitzball
- Duchy of Styriaball
- Duchy of Swabiaball
- Duchy of Teckball
- Duchy of Teschenball
- Duchy of Thuringiaball
- Duchy of Trakaiball
- Duchy of Troppauball
- Duchy of Upper Bavariaball
- Duchy of Urbinoball
- Duchy of Warsawball
- Duchy of Westphalia and Angriaball
- Duchy of Wohlauball
- Duchy of Wrocławball
- Duchy of Wurttemberg-Weiltingenball
- Duchy of Württemberg-Bernstadtball
- Duchy of Württemberg-Brenz-Weiltingenball
- Duchy of Württemberg-Juliusburgball
- Duchy of Württemberg-Mömpelgardball
- Duchy of Württemberg-Neuenburgball
- Duchy of Württemberg-Neustadtball
- Duchy of Württemberg-Stuttgartball
- Duchy of Württemberg-Urachball
- Duchy of Württemberg-Winnentalball
- Duchy of Württemberg-Öls-Bernstadtball
- Duchy of Württemberg-Ölsball
- Duchy of Württembergball
- Duchy of Zaslawyeball
- Duchy of Zatorball
- Duchy of Zähringenball
- Duchy of the Archipelagoball
- Duchy of the Pentapolisball
- Dudinkaball
- Dukljaball
- Dumfries and Gallowayball
- Dumfriesball
- Dumnoniaball
- Dundagaball
- Dundeeball
- Dundgoviball
- Dunedinball
- Durangoball
- Duraznoball
- Durbanball
- Durbeball
- Durdzuketiaball
- Durhamball (North Carolina)
- Durrani Empireball
- Durraniball
- Durrësball
- Dushanbeball
- Dutch-Portuguese War
- Dutch Bengalball
- Dutch Brazilball
- Dutch Cape Colonyball
- Dutch Ceylonball
- Dutch Coromandelball
- Dutch East India Companyball
- Dutch East Indies Campaign
- Dutch East Indiesball
- Dutch Empireball
- Dutch Formosaball
- Dutch Gold Coastball
- Dutch Loango-Angolaball
- Dutch Malaccaball
- Dutch Mauritiusball
- Dutch Republicball
- Dutch Revolt
- Dutch Suratteball
- Dutch Surinameball
- Dutch West India Companyball
- Dutch West Indiesball
- Dvaravatiball
- Dyfedball
- Dynastic Chinaball
- Dyrrachiumball (theme)
- Dysnomiaball
- Dzierżyńszczyznaball
- Dzungar Khanateball
- Dzungar genocide
- Dzūkijaball
- Dál Fiatachball
- Dál Riataball
- Dál nAraidiball
- Dâmbovițaball
- Déisiball
- Düsseldorfball
- EACball
- ECOball
- ECSCball
- EECball
- EFTAball
- ESwatiniball
- EUball
- EUball/Gallery
- Earldom of Hålogalandball
- Earldom of Ladeball
- Earldom of Nordmøreball
- Earldom of Orkneyball
- Early Lê dynastyball
- Early Vedic Periodball
- Earthball
- Earthball/Gallery
- East African Campaign (World War I)
- East African Communityball
- East African Federationball
- East Ayrshireball
- East Azerbaijanball
- East Bengalball
- East Berbice-Corentyneball
- East Berlinball
- East Bohemiaball
- East Breifneball
- East Capriviball
- East Chagatai Khanateball
- East Darfurball
- East Dunbartonshireball
- East Flandersball
- East Franciaball
- East Frisiaball
- East Germanyball
- East Germanyball/Gallery
- East Hebeiball
- East India Companyball
- East Javaball
- East Javaball (state)