John I

John I may refer to:

• John I (bishop of Jerusalem)
• John Chrysostom (349 – c. 407), Patriarch of Constantinople
• John I of Antioch (died 441)
• Pope John I, Pope from 523 to 526
• John I (exarch) (died 615), Exarch of Ravenna
• John I of Naples (died c. 719)
• John of Abkhazia (ruled 878/879–880)
• John I of Gaeta (died c. 933)
• John I Tzimiskes (c. 925 – 976), Byzantine Emperor
• John I of Amalfi (died 1007)
• John I of Ponthieu (c. 1147 – 1191)
• John I (archbishop of Trier) (c. 1140-1212), Archbishop of Trier from 1190 to 1212
• John of England (1166–1216), King of England, Lord of Ireland, Duke of Normandy and Aquitaine and Count of Anjou
• John I of Sweden (c. 1201 – 1222)
• John of Brienne (c. 1148 – 1237), king of Jerusalem
• John I of Trebizond (died 1238)
• John I of Dreux (1215–1249)
• John I of Avesnes (1218–1257), Count of Hainaut
• John of Brunswick, Duke of Lüneburg (c. 1242–1277)
• John I, Count of Blois (died 1280)
• John I, Duke of Saxony (1249–1285)
• John I of Cyprus (1259–1285)
• John I, Duke of Brittany (1217–1286)
• John I Doukas of Thessaly (1268–1289)
• John I, Prince of Anhalt-Bernburg (d. 1291)
• John I of Brienne, Count of Eu (died 1294)
• John I, Duke of Brabant (1253–1294)
• John I, Count of Holland (1284–1299)
• John I of Montferrat (c. 1275–1305)
• John of Scotland (c. 1249 – c. 1313)
• John I of France (1316), king for the five days he lived
• John I Orsini (1303/4–1317), Count of Cephalonia
• John I, Duke of Bavaria (1329–1340)
• John I of Bohemia (1296–1346)
• John I of Nassau-Weilburg (1309–1371)
• John I, Duke of Opava-Ratibor (c. 1322 – c. 1380–1382)
• John I, Duke of Mecklenburg-Stargard (1326–1392/93)
• John of Islay, Lord of the Isles (died 1386)
• John I, Duke of Lorraine (1346–1390)
• John I of Castile (1358–1390)
• John I, Count of La Marche (1344–1393)
• John I of Aragon (1350–1396)
• John I of Alençon (1385–1415)
• John, Duke of Berry (1340–1416)
• John the Fearless (1371-1419), ruler of the Burgundian State from 1404 to 1419
• John I of Münsterberg (ca. 1380 – 1428)
• John I of Portugal (1357–1433), King of Portugal and of the Algarve, Lord of Ceuta
• John I, Duke of Bourbon (1381–1434)
• John I Albert of Poland, (1459–1501)
• João I of Kongo, ruler of the Kingdom of Kongo between 1470 and 1509
• John, King of Denmark called Hans of Denmark, (1455–1513), King of Denmark, Norway and Sweden
• János Szapolyai (1487–1540), King of Hungary and Slavonia
• John Frederick I, Elector of Saxony, (1503–1554)
• John Albert I, Duke of Mecklenburg, (1525–1576)
• John Günther I, Count of Schwarzburg-Sondershausen, (1532–1586)
• John, 6th Duke of Braganza (1543–1583), a.k.a. John I, Duke of Braganza
• John I, Count Palatine of Zweibrücken (1550–1604)
• John Ernest I, Duke of Saxe-Weimar (1594–1626)
• Johann Adolf I, Duke of Saxe-Weissenfels (1649–1697)
• Hans-Adam I, Prince of Liechtenstein (1662–1712)
• Yohannes I of Ethiopia (ruled 1667–1692)
• John of Saxony (1801–1873)

• John 1, the first chapter of the Gospel of John
• First Epistle of John or 1 John

• Jean I (disambiguation)
• Juan I (disambiguation)
• Johann I (disambiguation)
• John (disambiguation)
• King John (disambiguation)

This disambiguation page lists articles associated with the title John I.
If an internal link led you here, you may wish to change the link to point directly to the intended article.