Tourkia (Greek: Τουρκία) may refer to:

• Turkey, a country in southeastern Europe and western Asia
  • The name of Turkey in modern Greek
  • The name of the Ottoman Empire in medieval and early modern Greek
• Tourkia (Khazaria) ("eastern Tourkia"), designation for the early medieval Khazar state in Byzantine sources
• Tourkia (Hungary) ("western Tourkia"), designation for the medieval Hungarian state in Byzantine sources