Cognomen 道菲 (Delphy 
, 道菲 
) , in all the world, is a rare surname. The cognomen 道菲 is habitual in France, where it is a very rare surname, the United States, where it is an extremely rare surname, and Canada. Not in comparison with a country's population, it most frequently occurs in India, France, and the United States. More frequently, 道菲 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Delphy | South Africa, France, United States, India, Democratic Republic of the Congo |
| 道菲 | China |