Around the world, Nidhu (Nidhu 
) is quite a common gender-neutral first name. The given name Nidhu is characteristic of Southern Asia, particularly India, where it is a rare unisex name, and Bangladesh, where it is a very rare male name. Very seldom, Nidhu is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Nidhu | Canada, United Arab Emirates, India, Bangladesh, United States |
De, Linjo, Nayek, Hazra, Mandal, Mallik, Mahato, Mondal, Sardar, Sarkar, Sharma, Barman, Biswas, Kumari, Ruidas, Hajara, Malakar, Santara, Debnath, Haladar, Adhikari, Karmakar, Ghosh, Gupta, Dutta, Dolai, Mal, Bag, Pal, Ram, Ray, Roy, Deb, Dey, Das, Maji, Pramanik, Saha, Bala, Paul, Devi, Nath, Malik, Majhi, Singh, Bagdi, Bauri, Kumar, Sing, and Chakraborty