Cognomen Ndiku (Ndiku 
) , across the world, is quite a rare family name. The last name Ndiku is characteristic of Kenya, where it is quite a rare surname, Tanzania, where it is a very rare surname, and Indonesia. Much less frequently, Ndiku is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ndiku | Tanzania, Nigeria, United States, Indonesia, Kenya |
|
caleb mwangangi ndiku Kenyan middle- and long-distance runner, KE (b. 1992) |
|
| jonathan ndiku Kenyan steeplechase runner, KE (b. 1991) |
|