Last name Challu (Challu 
) , all around the world, is a rare surname. The last name Challu is characteristic of Guyana, where it is a rare surname, Argentina, and Tanzania, where it is a very rare surname. In absolute terms, it is the most numerous in India, Argentina, and Tanzania. Likewise, Challu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Challu | Argentina, Tanzania, United States, Nigeria, India |
| renu challu Indian businessperson (born 1952, child of Johri Mal Jain), IN (b. 1952) |
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| uday challu Indian businessman |
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