All around the world, Siddhartha (Siddhartha 
, সিদ্ধার্থ , सिद्धार्थ ) is a common male forename. The given name Siddhartha is characteristic of India, where it is quite a rare male name, Nepal, and United Arab Emirates. Not in comparison with a country's population, it most frequently occurs in Southern Asia, particularly India, Bangladesh, and Nepal. Very seldom, Siddhartha is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Siddhartha | Bangladesh, Nepal, United States, United Arab Emirates, India |
| সিদ্ধার্থ | Bangladesh |
| सिद्धार्थ | India |
| Сиддхартха | Russia |
Gautama, Siddharth, Siddhārtha, Сіддхартха, सिद्ध, สิทธาคม, สิทธาจารย์, สิทธารถ, and เทพสิทธา
| siddhartha sarma Indian writer, IN (b. 1901) |
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siddhartha kaul IN (b. 1954) |
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siddhartha deb Indian author born in Meghalaya, IN (b. 1970) |
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siddhartha lal Indian businessman, IN (b. 1973) |
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siddhartha gigoo Kashmiri author, IN |
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| siddhartha roy burman Indian businessperson (born 1961, child of Sri Satya Prasad Roy Burman), IN (b. 1961) |
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| siddhartha bhattacharya Indian politician, IN (b. 1961) |
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| siddhartha rampuria Indian businessperson (born 1965, child of Surendra Rampuria), IN (b. 1965) |
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| siddhartha paul Indian businessperson (born 1971, child of Himanka Kumar Paul), IN (b. 1971) |
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| siddhartha kumar dey Indian businessperson (born 1972, child of Shukdeo Kumar Dey), IN (b. 1972) |
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| siddhartha chowdhury Indian writer, IN (b. 1974) |
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| siddhartha agarwal Indian businessperson (born 1975, child of Satyanarayan Agarwal), IN (b. 1975) |
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| siddhartha panda researcher (ORCID 0000-0001-9131-4264) |
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| siddhartha baxi researcher |
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| siddhartha a.k. datta researcher |
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De, Mondal, Mishra, Sarkar, Sharma, Shukla, Biswas, Pandey, Gautam, Halder, Samanta, Shankar, Agarwal, Goswami, Sengupta, Banerjee, Karmakar, Mukherjee, Chowdhury, Srivastava, Chatterjee, Chakraborty, Mandal, Verma, Ghosh, Gupta, Sen, Pal, Ray, Roy, Dey, Das, Saha, Basu, Bera, Bose, Bhattacharya, Paul, Jain, Maity, Mitra, Singh, Sinha, Kundu, Kumar, Patra, Reddy, Dutta, Jana, and Bhattacharjee