Worldwide, Sivadas (Sivadas 
) is quite a common male first name. The first name Sivadas is habitual in Western Asia, particularly Oman, where it is quite a rare masculine name, United Arab Emirates, and Qatar. Measured by absolute frequency, the name is most common in India, United Arab Emirates, and Saudi Arabia. Much less frequently, Sivadas is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Sivadas | Malaysia, Saudi Arabia, India, United Arab Emirates, Oman |
| padmanabhan sivadas Indian cricketer, IN (b. 1930) |
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| sivadas vellur Indian businessperson (born 1949, child of Alathputhanveedu Sankaran Nair), IN (b. 1949) |
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| sivadas g researcher |
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| sivadas deepu |
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Ar, Kunjan, Prasad, Pillai, R K Bhaskaran, C P Velayudhan, Prjapti, Ramadas, Narayan, Nambiar, Chandran, Kushvaha, Krishnan, Muthusamy, Ganapathy, Narayanan, Variyayil Othayoth, Sreedharan, Yesodharan, Mathialagan, Yadav, Varma, Nayar, Rajan, Ak, Kv, Kol, Das, Sahu, Siva, Appu, Babu, Kori, Balakrishnan, Nair, Mohan, Menon, Saket, Singh, Sivan, Balan, Kevat, Kumar, Patel, Vasu, and Ganeshalingam