Bojohagur or Bojohaghur Duanasir () is a summit in the Batura Muztagh, a subrange of the Karakoram range in Gilgit-Baltistan, Pakistan. It is the west summit of a short ridge whose high point is Ultar Sar, also known as Bojohaghur Duanasir II (despite being higher). It lies about northeast of the Karimabad, a town on the Karakoram Highway in the Hunza Valley, part of the Hunza District of Gilgit-Baltistan.
It was first climbed in 1984 by E. Kisa, M. Nagoshi, and R. Okamoto, members of a Japanese expedition led by Tsumeo Omae, which ascended from the Hasanabad Glacier via the Southwest Ridge.
To the northwest of the Bojohaghur/Ultar massif is the huge pyramid of Shispare (7,611 m/24,970 ft). Along the southwest ridge of the massif are Hunza Peak and the striking rock spire of Ladyfinger Peak. The glaciers draining the slopes of the massif are (clockwise from north): the Ghulkin Glacier, the Gulmit Glacier, the Ahmad Abad Glacier, the Ultar Glacier, and the Hasanabad Glacier. (Many of these have other names as well.)