Rig-e Kaput (Persian: ريگ كپوت) is a village in Bampur-e Sharqi Rural District of the Central District of Bampur County, Sistan and Baluchestan province, Iran.

At the 2006 National Census, its population was 2,389 in 406 households, when it was in the former Bampur District of Iranshahr County. The following census in 2011 counted 3,423 people in 692 households. The latest census in 2016 showed a population of 3,491 people in 834 households. It was the most populous village in its rural district.

In August 2017, the district was separated from the county in the establishment of Bampur County, which was divided into two districts of two rural districts each, with the city of Bampur as its capital.