Cognomen Katju (Katju 
) , worldwide, is a very rare last name. The surname Katju is characteristic of Indonesia, where it is a very rare surname, South Africa, where it is an extremely rare surname, and India. Much less frequently, Katju is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Katju | Indonesia, Finland, South Africa, India, United States |
| yashodhra katju Indian actress (b. 1928) |
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| vivek katju Indian diplomat, IN (b. 1951) |
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| vaishali katju researcher |
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| arundhati katju lawyer and advocate at the Supreme Court of India, IN (b. 1982) |
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Raj, Jiyo, Valmiki, Vandana, Vaishali, Markandey, Markandeya, Dhananjaya, and Chandradeep