Iloirienito

{{Infobox settlement

}}
 * name                   = Iloirienito Ward
 * native_name            = {{native phrase|sw|Kata ya Iloirienito}}}
 * official_name          = Kata ya Iloirienito
 * nickname               =
 * settlement_type        = Ward
 * pushpin_map            = Tanzania
 * pushpin_label_position =
 * coordinates            =
 * subdivision_type       = Country
 * subdivision_name       = 🇹🇿 Tanzania
 * subdivision_type1      = Region
 * subdivision_name1      = Arusha Region
 * subdivision_type2      = District
 * subdivision_name2      = Longido District
 * area_total_km2         = 140.1
 * population_as_of       = 2012
 * population_total       = 5,571
 * population_density_km2 = auto
 * elevation_m            = 1,610

Iloirienito is an administrative ward in the Longido District of the Arusha Region of Tanzania. The ward covers an area of 140.1 km2, and has an average elevation of 1,610 m. According to the 2012 census, the ward has a total population of 5,571.