Family name Kelwa (Kelwa 
) , in all the world, is a rare last name. The last name Kelwa is characteristic of Tanzania, where it is a very rare surname, Indonesia, and India, where it is an extremely rare surname. Also, Kelwa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kelwa | Tanzania, South Africa, Indonesia, Peru, India |