Cognomen Grado (Grad 
, Grade 
, Gradus 
) , around the globe, is a common last name. The family name Grado is habitual in Romania, where it is quite a common surname, Slovenia, and Portugal, where it is quite a rare surname. Measured by absolute frequency, the name is most common in the United States, Philippines, and Romania. Very seldom, Grado is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Grad | Germany, Philippines, United States, Poland, Romania |
| Grade | Germany, Mexico, Philippines, Brazil, United States |
| Gradus | Spain, France, United States, United Kingdom, Poland |
| Grado | Germany, Mexico, Philippines, United States, Romania |
| giovanni da grado Italian patriarch, IT (b. 800) |
|
|
| francesco de grado Italian engraver, IT (b. 1663) |
|
|
| felicia maria de grado (born 1676) (b. 1676) |
|
|
| filippo de grado engraver (18th century) (b. 1701) |
|
|
| salvador sanz grado Roman Catholic bishop (1789-1851) (b. 1789) |
|
|
| francisco álvarez del manzano y miranda de grado (b. 1781) |
|
|
| alberto capilupi de' grado Italian engineer and politician, IT (b. 1848) |
|
|
| henry-pierre-stuart ferrari da grado FR (b. 1849) |
|
|
|
cristina grado Italian actress (1939-2016), IT (b. 1939) |
|
| vicente di grado BR (b. 1922) |
|
|
|
viola di grado Italian writer, IT (b. 1987) |
|
|
jonathan grado American businessman and photographer, US (b. 1991) |
|
| grado giovanni merlo italian historian, specialized in ecclesiastic history during the Middle ages (b. 1945) |
|
|
| antonio di grado Italian literary critic and university professor, IT (b. 1949) |
|
|
| valentina grado Italian-German jurist (1967-), IT (b. 1967) |
|