List of state leaders in 1226
1225 state leaders - Events of 1226 - 1227 state leaders - State leaders by year
Africa
Asia
Europe
- Principality of Achaea - Geoffrey I of Villehardouin (1209-c. 1228)
- County of Angoulême - Hugh I (1218–1249)
- Duchy of Aquitaine, Henry II (1216–1254)
- Kingdom of Aragon - James I count of Barcelona (1213–1276)
- Duchy of Athens - Guy I de la Roche (1225–1263)
- Duchy of Austria - Leopold VI (1198–1230)
- County of Auvergne - Guy II (1195–1224)
- Dauphinate of Auvergne - Dalfi d'Alvernha (Robert IV) (1169–1235)
- Margraviate of Baden - Frederick (1216–1231)
- County of Bar - Henry II (1214–1239)
- County of Barcelona - James I (1213–1276)
- Duchy of Bavaria - Louis I (1183–1231)
- County of Blois, Margaret, with Walter of Avesnes (1218–1230)
- Kingdom of Bohemia - Premysl I Ottokar (1198–1230)
- County of Boulogne - Matilda II (1216- c. 1260)
- Duchy of Brabant - Henry I (1190–1235)
- Duchy of Brittany - Peter I (1213–1237)
- Bulgarian Empire - Ivan Asen II, Tsar of Bulgaria (1218–1241)
- Duchy of Burgundy - Hugh IV (1218–1272)
- Duchy of Carinthia - Bernhard (1201–1256)
- Kingdom of Castile - Ferdinand III, the Saint (1217–1252)
- County of Champagne - Theobald IV (1201–1253)
- Deheubarth - Maelgwyn ap Rhys, Prince of Deheubarth (1199–1230), disputed with Rhys the Hoarse (1216–1234)
- Kingdom of Denmark - Valdemar II, the Victorious (1202–1241)
- Duchy of Demmin, Wartislaw III (1219–1264)
- Kingdom of England - Henry III (1216–1272)
- Despotate of Epirus - Theodore Ducas (1214–1230)
- County of Flanders - Jeanne (1205–1244)
- Kingdom of France -
- Louis VIII (1223–1226)
- Louis IX (1226–1270)
- Duchy of Gdańsk, Swietopelk II the Great (1215–1266)
- County of Guelders - Gerard IV (1207–1229)
- Kingdom of Gwynedd - Llywelyn the Great, Prince of Gwynedd (1194–1240)
- County of Hainaut - Jeanne (1205–1244)
- County of Holland - Floris IV (1222–1234)
- Holy Roman Empire - Frederick II (1211–1250)
- Kingdom of Hungary - Andrew II (1205–1235)
- Lordship of Ireland - Henry III of England (1216–1272)
- Kingdom of Mann and the Isles - Raghnall mac Gofraidh (1187–1229)
- Kievan Rus' - Vladimir III, Grand Prince of Kiev (1223–1235)
- Duchy of Kraków, Henry I the Bearded (1232–1238)
- Duchy of Lorraine - Matthias II (1220–1251)
- County of Maine - John Capet (1219–1232)
- March of Montferrat - Boniface II (1225–1253)
- County of Namur - Philip II (1217–1226)
- Kingdom of Navarre - Sancho VII the Strong (1194–1234)
- Duchy of the Archipelago (Naxos) - Marco Sanudo (1207–1227)
- Duchy of Normandy - Henry III (claimed, 1216–1259)
- Kingdom of Norway - Haakon IV (1217–1263)
- Duchy of Opole - Casimir I (1211–1230)
- County of Poitiers - Alfonso (1220–1271)
- Kingdom of Poland - Leszek the White (1211–1227)
- Kingdom of Portugal - Afonso II, the Fat (1212–1233)
- Powys Fadog - Madog ap Gruffydd Maelor, Prince of Powys Fadog (1191–1236)
- County of Provence - Ramon Berenguer IV (1209–1245)
- Duchy of Rugia, Wizlaw I (1218–1249)
- Duchy of Saxony - Albert I (1212–1260)
- Kingdom of Scotland - Alexander II (1214–1249)
- Kingdom of Serbia - Stefan Nemanjić (1196–1228)
- Kingdom of Sicily - Frederick II (1198–1250)
- Duchy of Silesia (Wrocław), Henry I the Bearded (1201–1238)
- Duchy of Sławno, Racibor II (1223–1238)
- Duchy of Swabia, Henry II (1216–1235)
- Kingdom of Sweden - Eric XI (1222–1229, 1234–1250)
- Duchy of Stettin - Dobry (1220–1278)
- County of Toulouse - Raymond VII (1222–1249)
- Republic of Venice - Pietro Ziani, Doge of Venice (1205–1229)
- Vladimir-Suzdal - Yuri II, Grand Prince (1218–1238)
- County of Württemberg - Hartmann (1194–1240)