Tosunpınar, formerly Aynras or Aynaras (), is a village in the Kozluk District, Batman Province, Turkey.Köy, Turkey Civil Administration Departments Inventory. Retrieved 30 January 2023. It harboured an Armenian population before the Armenian genocide and is today populated by Arabs. Its population was 597 in 2021; of those 295 were men and 302 were women.

The hamlets of Armağan, Derincik and İncirli are attached to the village.

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