Last name Defg (Defg 
) , throughout the world, is a very rare surname. The last name Defg is habitual in Germany, where it is a very rare surname, France, where it is an extremely rare surname, and Malaysia. In absolute terms, it most frequently occurs in Germany, the United States, and India.
| VARIANT | COUNTRY |
|---|---|
| Defg | United Kingdom, United States, Germany, France, India |