The now-extinct title of Count of Barcelona was, through much of its history, merged with that of King of Aragon; see also List of Aragonese Monarchs.

Counts of Barcelona nominated by the (Frankish) Carolingian monarchs, to whom they were feudatories:

NOTES:
  1. Sunifred I and his son Wilfred the Hairy claimed the title Marquès (marquess) of the Spanish March.
  2. Although in this period the title of Count was not hereditary, Bernat de Septimània was father of Guillem, and Sunifred I was father of Guifré I "the Hairy".

Hereditary Counts of Barcelona, feudatory to the Frankish Carolingian monarchs:
  • Guifré II Borrell (a.k.a. Borrell I) (897-911)
  • Sunyer I (911-948)

Hereditary Counts of Barcelona independent of the Carolingian monarchy (from 985), until the dynastic union with Aragon: Counts of Barcelona and Kings of Aragon of the House of Barcelona: Counts of Barcelona and Kings of Aragon and Valencia, of the House of Barcelona:
  • Jaume I el Conqueridor ("the Conqueror") (1213-76), also king of de Mallorca (See List of kings of Mallorca)
  • Pere II (I of Valencia, III of Aragon) el Gran ("the Great") (1276-85),
  • Alfons II (III of Aragon) el Franc ("the French") or el Liberal ("the Liberal")(1285-91)
  • Jaume II el Just ("the Just") (1291-1327)
  • Alfons III (II of Valencia, IV of Aragon) el Benigne ("the Good") (1327-36)
  • Pere III (II de Valencia, IV of Aragon) el Cerimoniós ("the Ceremonious") or el del Punyalet (1336-87)
  • Joan I el Caçador ("the Hunter"), el Descurat ("the Careless"), or l’Amador de la Gentilesa (1387-96)
  • Martí I l'Humà ("the Human") or l'Eclesiàstic ("the Priest") (1396-1410) -> last descendant of Wilfred the Hairy to rule; died without legitimate heirs, occasion of the Compromise of Casp; interregnum 1410 - 1412

Counts of Barcelona and Kings of Aragon and Valencia, of the Trastàmara dynasty: Counts of Barcelona and Kings of Aragon who occupied the throne during the War Against Joan II (none of these reigned in Valencia, which remained under the control of Joan II):
Counts of Barcelona and Kings of Aragon and Valencia of the Habsburg dynasty (or House of Austria):
During the War of the Spanish Succession:
  • Carles III (1705-14)-> the Catalan-Aragonese confederation was occupied and annexed by Spain: after this time, there are no more Catalan monarchs.

Counts of Barcelona and Kings of Aragon of the Bourbon dynasty During the Guerra dels Segadors (they did not reign in Valencia, where Phillip III of Spain continued to reign: Upon the death, without heirs of Carles II: