Cognomen Thamarai (Thamarai 
) , across the world, is a rare last name. The last name Thamarai is characteristic of Singapore, where it is a rare surname, United Arab Emirates, and Saudi Arabia. Not in comparison with a country's population, this name is the most popular in India, Saudi Arabia, and United Arab Emirates. More frequently, Thamarai is the forename as well as the last name.
Rai, Sures Kumar, Sundaram, Anbumani, Arumugam, Saravanan, Arulappan, Kaliappan, Kuberakusalan, Ponnusamy, Jayakumar, Thangavel, Thangamany, Velayutham, Subramanian, Subramaniam, Kunasakaran, Thangaveloo, Suppermaniam, Balakrishnan, Munusamy, Muniandy, Pandian, Kumaran, Kani, Raja, Raju, Vani, Mohan, Muthu, Selva, Selvi, Kumar, Harikrishnan, Guhan, Valli, Selvan, Selvam, Chelvi, Kannan, Manalan, Manikam, Senthil, Chelvan, Lotus, and Ramalingam Pillai