In all the world, Thulasi (Thulasi 
) is a common gender-neutral given name. The first name Thulasi is habitual in Western Asia, particularly Oman, where it is quite a rare mostly masculine, but uncommonly girly name, United Arab Emirates, where it is quite a rare unisex name, and Kuwait. Measured by absolute frequency, it is commonest in India, Saudi Arabia, and Oman. Very seldom, Thulasi is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Thulasi | Saudi Arabia, Malaysia, Sri Lanka, India, United Arab Emirates |
| kollam thulasi Indian actor, IN (b. 1949) |
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| thulasi mylvaganam Ph.D. Imperial College London 2014 |
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| thulasi thiruchselvam researcher |
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| thulasi radhakrishnan researcher |
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| thulasi helen Indian boxer, IN (b. 1986) |
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| thulasi tharumalingam boxer, DE (b. 1992) |
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Bai, Dasan, Naidu, Varma, Yadav, Mandal, Kannan, Kumari, Paswan, Prasad, Pillai, Dharan, Nathan, Margali, Murugan, Krishna, Perumal, Lakshmi, Chandran, Krishnan, Rangasamy, Subramaniam, Reddy, Krishnakumar, Rajan, Priya, Ram, Raj, Rao, Das, Mani, Amma, Babu, Bhai, Rama, Rani, Raja, Devi, Dass, Nair, Naik, Mohan, Ammal, Bandi, Bhayi, Korra, Kumar, Raman, and Krishnankutty