Cognomen Jancil (Jancil 
) , in all the world, is an extremely rare last name. The cognomen Jancil is habitual in Latin America and the Caribbean, particularly Nicaragua, where it is a very rare surname, and Honduras. More prevalently, Jancil is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jancil | Nicaragua, Philippines, United States, India, Brazil |