Cognomen Tennekoon (Tennekoon 
) , in the world, is quite a common last name. The family name Tennekoon is characteristic of Sri Lanka, where it is quite a common surname, Zambia, where it is a rare surname, and New Zealand. In absolute terms, it is the most numerous in Sri Lanka, Zambia, and Indonesia.
| VARIANT | COUNTRY |
|---|---|
| Tennekoon | Indonesia, Sri Lanka, Zambia, Australia, United States |
| t. b. tennekoon Ceylonese politician (1912-1980) (b. 1912) |
|
|
| victor tennekoon Sri Lankan judge (b. 1914) |
|
|
| herbert tennekoon (b. 1911) |
|
|
| reginald tennekoon (b. 1912) |
|
|
| r. b. tennekoon (b. 1919) |
|
|
| r. s. tennekoon member of both the 1st and 2nd State Councils of Ceylon |
|
|
| tennekoon buddhika karunaratne researcher |
|
|
| rashika n tennekoon researcher (ORCID 0000-0003-2952-0766) |
|
|
| william tennekoon |
|
Mr, Viraj, Inoka, Udaya, Udara, Milroy, Migara, Sankha, Saliya, Suresh, Lucky, Sudath, Aroshi, Asitha, Chamil, Cheyne, Kanthi, Kamani, Prisca, Ramesh, Ruvini, Sudesh, Gihan, Dhanu, Dayan, Mal, Sal, Lal, Jan, Dina, Loch, Eraj, Evyn, Marie, Sandy, Shani, Alain, Andre, Anura, Aruna, Asela, Asoka, Ayami, Chloe, Padma, Rohan, Daniel, and Louise