Family name Moithumi (Moithumi 
) , around the world, is an extremely rare cognomen. Much more frequently, Moithumi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Moithumi | South Africa |
Morabe, Segalo, Kopela, Vinger, Mokhatsi, Kgomotso, Mashiane-Monkoe, and Montshiwagae