James I of Cyprus (b. 1334)
James I (French: Jacques de Lusignan; 1334 – September 9, 1398) was the youngest son of King Hugh IV of Cyprus and by 1369 held the title "Constable of Jerusalem." When his nephew Peter II died in 1382, James became King of Cyprus. James was also titular King of Armenian Cilicia and Jerusalem 1382–1398.

James was the third son of Hugh IV of Cyprus and his second wife, Alix of Ibelin. His older half-brother was Guy, Prince of Galilee (1320–43), and his two brothers were Peter I, King of Cyprus (1328–1369), and John of Lusignan, Prince of Antioch (1329–1375). Before becoming king, James had other offices and was known for his resistance against the Genoese invasion of Cyprus.