Family name Letchumi (Letchumi 
) , around the globe, is a rare last name. The cognomen Letchumi is characteristic of Malaysia, where it is a rare surname, Singapore, and the United States, where it is an extremely rare surname. Measured by absolute frequency, it most frequently occurs in Malaysia, Singapore, and India. More frequently, Letchumi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Letchumi | United States, India, Malaysia, Singapore |