Family name Weeramantry (Weeramantry 
) , throughout the world, is a very rare last name. The surname Weeramantry is habitual in Australia, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Weeramantry | United States, Australia |
|
christopher weeramantry Sri Lankan judge (1926-2017), LK (b. 1926) |
|
| sunil weeramantry Sri Lankan chess player, LK (b. 1951) |
|