Surname Lupna (Lupna 
) , all over the world, is a very rare family name. The cognomen Lupna is habitual in Nicaragua, where it is a rare surname, Venezuela, where it is an extremely rare surname, and India. More prevalently, Lupna is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lupna | Spain, India, Nigeria, United States, Nicaragua |