John the Saracen (Iohannes Saracenus) may refer to:

• John Sarrazin (John the Saracen), 12th-century translator of Greek texts into Latin
• John the Saracen (chamberlain), servant of Louis IX of France
• John the Saracen (archbishop of Bari), ruled 1259–80
• John the Moor (John the Saracen), chamberlain of the Holy Roman Empire under Frederick II
• John Saracenus, papal subdeacon and chaplain, dean of Wells (1245–48)
• John the Saracen, procurator of the convent of Saint-Maur-des-Fossés at Rome 1253
• John the Saracen, papal subdeacon and magister, canon of Limoges in 1253