Surname Karitu (Karitu 
) , around the globe, is a rare family name. The family name Karitu is characteristic of Kenya, where it is quite a rare surname, Malaysia, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. In absolute terms, it is commonest in Kenya, India, and Malaysia.
| VARIANT | COUNTRY |
|---|---|
| Karitu | United Kingdom, Malaysia, Kenya, United States, India |