Keyzur (Persian: كيذور)[a] is a village in Beyhaq Rural District of the Central District of Sheshtamad County, Razavi Khorasan province, Iran.

At the time of the 2006 National Census, the village's population was 1,241 in 348 households, when it was in the former Sheshtamad District of Sabzevar County.

[5] The 2016 census measured the population of the village as 1,222 people in 392 households.

It was the most populous village in its rural district.

This Razavi Khorasan province location article is a stub.