| Official Name: | Kiawaithanji |
| Pushpin Map: | Kenya |
| Mapsize: | 200px |
| Subdivision Type: | Country |
| Subdivision Type1: | County |
| Subdivision Name: | Kenya |
| Subdivision Name1: | Nyeri |
| Timezone: | EAT |
| Utc Offset: | +3 |
Kiawaithanji Village is a settlement in Nyeri County in Kenya's former Central Province.
The village has the administrative status of a Sub-Location in Gaaki Location of Nyeri County. It is located between Mutathiini and Kangaita villages and is adjacent to the Kagumo river and the teachers college named after that river - Kagumo College.
Local schools include Kiawaithanji primary school, Kiawaithanji Secondary School, Kiawaithanji PCEA academy and Nanny Lyrle Academy.
Churches in the village including a Roman Catholic church, Baptist Church, Presbyterian Church of East Africa church, AIPCA church, and a Church of the Nazarene.