was a district located in Yamanashi Prefecture, Japan.
As of March 2006, the district had an estimated population of 6,127 with a density of 184.88 persons per km2. The total area was 33.14 km2.
Prior to its dissolution, the district consisted of only one town:
Kitakoma District was founded from the split of Koma District during the early Meiji period establishment of the municipalities system on July 22, 1878 and initially consisted of 44 villages.