Sobriquets
- "The Accursed": Genghis Khan
- "Caligula": (Latin, "Little Boots"): Gaius Julius Caesar Germanicus, Roman Emperor
- "Caracalla" (Latin, "Hooded Tunic"): Marcus Aurelius Antoninus, Roman Emperor
- "Cecco Peppe" (Italian, diminutive of Francesco Giuseppe): Franz Joseph I of Austria
- "Champion of the Reformation": John Frederick I, Elector of Saxony
- "Emperor-Sacristan": Joseph II, Holy Roman Emperor
- "Farmer George": George III of the United Kingdom
- "Father-in-law of Europe":
- Christian IX of Denmark
- Nicholas I of Montenegro
- "First Gentleman of Europe": George IV of the United Kingdom
- "Fox of Mecklenburg": Albert II of Mecklenburg
- "Gloriana": Elizabeth I of England
- "Good King Henry" (French: "le bon roi Henri"): Henry IV of France
- "Good Queen Bess": Elizabeth I of England
- "Grandmother of Europe": Queen Victoria
- "The Great Belly-Gerent": Frederick I of Württemberg
- "The Great Elector" (German: "Großer Kurfürst"): Frederick William, Elector of Brandenburg
- "Hammer of the North": Harald III of Norway
- "Hammer of the Scots": Edward I of England
- "Harry": Maud of the United Kingdom
- "He of the Little Dagger" (Catalan language: "el del Punyalet"): Peter IV of Aragon
- "Hooded Tunic" (Latin: Caracalla): Marcus Aurelius Antoninus, Roman Emperor
- "The Huckster King": Henry VII of England
- "The Iron and Golden King" Ottokar II of Bohemia (Czech: "Král železný a zlatý")
- "The Iron Duke": Fernando Álvarez de Toledo, Duke of Alva (Dutch: "IJzeren Hertog")
- "The King of May" (Italian: "Re di maggio"): Umberto II of Italy
- "Lady of the English": Empress Matilda
- "The Last Emperor": Puyi of China (Chinese: 末代皇帝)
- "The Last Knight": Maximilian I, Holy Roman Emperor
- "Lion of Justice": Henry I of England; Henry II of England
- "Lion of the North": Gustavus Adolphus of Sweden
- "The Little Corporal": Napoleon I of France
- "Little Sabre" (Italian: "Sciaboletta"): Victor Emmanuel III of Italy
- "The Merry Monarch" or "The Merrie Monarch":
- Charles II of England
- Kalākaua of Hawai‘i
- "Mrs Brown": Queen Victoria
- "Napoleon of the Pacific": Kamehameha I of Hawai‘i
- "The Nine Days Queen": Lady Jane Grey
- "Old Coppernose": Henry VIII of England
- "The One Of The Little Dagger": (Catalan: "El del Punyalet"): Peter IV of Aragon
- "The People's King": Lunalilo of Hawaii
- "The Prince of Whales": George IV of the United Kingdom
- "The Sailor King": William IV of the United Kingdom
- "The Scourge of God": Attila the Hun
- "Skanderbeg" (from Albanian Skënderbeu, "Lord Alexander"): George Kastrioti of Albania
- "Soft-Sword": John of England
- "Stupid Willy" (Polish: "Głupi Wiluś"): Wilhelm II of Germany
- "The Sun King" (French: "Le Roi Soleil"): Louis XIV of France
- "Thief of Cairo": Farouk of Egypt
- "The Uncle of Europe": Edward VII of the United Kingdom
- "The Universal Spider" (Old French: "l'universelle aragne"): Louis XI of France
- "The Virgin Queen": Elizabeth I of England
- "The Warrior Pope":(Italian: Il Papa Guerriero) Julius II of the Papal States
- "The Winter King": Frederick I of Bohemia
- "The Wisest Fool In Christendom": James I of England
Read more about this topic: List Of Monarchs By Nickname