Surname Kalladanthyil (Kalladanthyil 
) , in all the world, is a very rare family name. The last name Kalladanthyil is habitual in the United Kingdom, where it is an extremely rare surname, and the United States. Much less frequently, Kalladanthyil is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kalladanthyil | United States, United Kingdom |