Çarpanak Island (Turkish: Çarpanak Adası) or Ktuts or Ktouts (Armenian: Կտուց կղզի Ktuts kghzi), is a small island in Lake Van. It is now uninhabited, but formerly contained an Armenian monastery called Ktuts. The ruins of it can still be seen.

• Ktuts' Anapat (pictures and information at Rensselaer Digital Collections)
• Armenian Monastery on Ktuts (Charpanak) Island, Lake Van
• Armenian Monastery on Ktuts (Charpanak) Island, Lake Van

• Lake Van
• Ktuts monastery
• Akdamar Island
• Kuş Island

38°36′24″N 43°05′08″E / 38.606553°N 43.085581°E / 38.606553; 43.085581