Family name ديلاي (Delay 
, Delaye 
, ديلاي) , all over the world, is quite a common last name. The last name ديلاي is characteristic of Western Europe, particularly France, where it is quite a rare surname, Switzerland, and Belgium. Measured by absolute frequency, it is the most numerous in France, the United States, and Switzerland. Very seldom, ديلاي is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Delay | Myanmar, Philippines, France, United States, Switzerland |
| Delaye | France, Brazil, United States, Belgium, Switzerland |