| Seyu Khosu Hashem | |
| Native Name: | Persian: سيو خسو هاشم |
| Native Name Lang: | fa |
| Settlement Type: | Village |
| Pushpin Map: | Iran |
| Coordinates Footnotes: | [1] |
| Subdivision Type: | Country |
| Subdivision Name: | Iran |
| Subdivision Type1: | Province |
| Subdivision Name1: | North Khorasan |
| Subdivision Type2: | County |
| Subdivision Name2: | Raz and Jargalan |
| Subdivision Type3: | District |
| Subdivision Name3: | Gholaman |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Rasteqan |
| Unit Pref: | Metric |
| Population As Of: | 2016 |
| Population Total: | 1441 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
Seyu Khosu Hashem (Persian: سيو خسو هاشم) is a village in Rasteqan Rural District of Gholaman District, Raz and Jargalan County, North Khorasan province, Iran.
At the time of the 2006 National Census, the village's population was 1,359 in 286 households, when it was in Gholaman Rural District of the former Raz and Jargalan District of Bojnord County.[2] The following census in 2011 counted 1,540 people in 390 households.[3] The 2016 census measured the population of the village as 1,441 people in 393 households, by which time the district had been separated from the county in the establishment of Raz and Jargalan County. The rural district was transferred to the new Gholaman District, and Seyu Khosu was transferred to Rasteqan Rural District created in the district.[4] It was the most populous village in its rural district.[5]