Cognomen Bigad (Bigad 
) , in the world, is a very rare family name. The family name Bigad is habitual in Egypt, where it is a very rare surname, Israel, and India, where it is an extremely rare surname. More frequently, Bigad is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bigad | Algeria, Egypt, Philippines, United States, India |