Across the world, Iswar (Iswar 
) is a common male forename. The first name Iswar is habitual in India, where it is quite a rare masculine name, Mauritius, and Qatar. Measured by absolute frequency, it is commonest in India, Indonesia, and Nepal. Very seldom, Iswar is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Iswar | Saudi Arabia, India, Nepal, Indonesia, Qatar |
| iswar prasanna hazarika Indian politician, IN (b. 1937) |
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| iswar chandra barua botanist (b. 1960) |
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| iswar chandra das Indian politician, IN |
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| iswar hazarika researcher |
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| iswar k hariharan researcher |
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Bag, Kisan, Patra, Patel, Nayak, Mandal, Mahato, Mondal, Muduli, Shabar, Barman, Behera, Biswal, Bhatra, Parida, Padhan, Pujari, Dehuri, Mahanta, Mohanty, Bhatara, Pradhan, Barik, Swain, Sethy, Singh, Rao, Das, Nag, Sahu, Bhue, Bhoi, Rana, Raut, Gaud, Jani, Harijan, Jena, Naik, Mandi, Malik, Majhi, Meher, Munda, Murmu, Santa, Saren, Sahoo, Tudu, and Maharana