Fulk (Latin: Fulco, French: Foulque or Foulques; c. 1089/1092 – 13 November 1143), also known as Fulk the Younger and of Anjou, was the king of Jerusalem with his second wife, Queen Melisende, from 1131 until his death in 1143. Previously, he was the count of Anjou as Fulk V from 1109 to 1129.

Fulk (born 1092—died November 1143, Acre, Palestine [now ʿAkko, Israel]) was the count of Anjou and Maine as Fulk V (1109–31) and king of Jerusalem (1131–43).

Fulk I of Anjou (c. 870 – 942), known by the nickname Foulques le Roux ("Fulk the Red", i.e. "Red Falcon"), was a Frankish nobleman who held several titles in West Francia, including Viscount and later Count of Tours from 905, Count of Nantes from 910 to 919, and the first Count of Anjou from 929 until his death.

Fulk III Nerra was the count of Anjou (987–1040), the most powerful of the early rulers of the Angevin dynasty. Exposed at first to the attacks of the counts of Brittany, Fulk had to fight for a long time to defend his frontiers, finally driving the Bretons back beyond the frontiers of Anjou.

The final act of the First Crusade was Christian attack on Jerusalem, which was captured on July 15, 1099. Fulk of Chartres, the author of this account, participated in the storming of the city and in the bloody massacre which followed. On the seventh of June the Franks besieged Jerusalem.

Fulk IV (French: Foulques IV d'Anjou; 1043 – 14 April 1109), better known as Fulk le Réchin (Latin: Fulco Rechin), was the count of Anjou from around 1068 until his death.

Fulk III, the Black (c. 970–1040; Old French: Foulque Nerra) was an early Count of Anjou celebrated as one of the first great builders of medieval castles. It is estimated Fulk constructed approximately 100 castles as well as abbeys throughout the Loire Valley in what is now France.

Fulk (Latin: Fulco, French: Foulque or Foulques; c. 1089/1092 – 13 November 1143), also known as Fulk the Younger, was King of Jerusalem with his wife, Queen Melisende, from 1131 until his death in 1143. Previously, he was Count of Anjou (as Fulk V) from 1109 to 1129.

Fulk V (1092–1143), called "le Jeune" (the younger), was a French nobleman who was the Count of Anjou from 1109 to 1129. He was the Count of Maine (jure uxoris) 1110–1129. Fulk was a crusader, Knight Templar and was the King of Jerusalem (jure uxoris) from 1131 to his death.

Fulk (fŭlk), 1092–1143, Latin king of Jerusalem (1131–43), count of Anjou (1109–29) as Fulk V, great-grandson of Fulk Nerra. He journeyed (1120) to the Holy Land as a pilgrim and returned there in 1129, making his son, Geoffrey Plantagenet, count of Anjou as Geoffrey IV.