Family name Ilemba (Ilemba 
) , around the globe, is a rare last name. The cognomen Ilemba is habitual in Malawi, where it is quite a rare surname, Tanzania, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Malawi, Tanzania, and India.
| VARIANT | COUNTRY |
|---|---|
| Ilemba | India, Tanzania, United Kingdom, Malawi |