Makuyuni is an administrative ward in the Monduli district of the Arusha Region of Tanzania. It is one of the wards that make up the Monduli district, located in the northern part of the country within the Arusha Region.
The ward recorded a population of 11,228 in the 2012 census. According to a 2016 report by the Tanzania National Bureau of Statistics, the population had grown to 12,529. This figure reflects the number of people residing in the ward at that time.
As an administrative ward, Makuyuni serves as a local government unit within the Monduli district structure. The Arusha Region, where it is situated, lies in northern Tanzania.