Family name Dreg (Dreg 
, Dregg 
) , around the globe, is a very rare surname. The last name Dreg is characteristic of Algeria, where it is a rare surname, New Zealand, and the United Kingdom, where it is an extremely rare surname. Also, Dreg is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dreg | Philippines, Myanmar, India, United States, Algeria |
| Dregg | New Zealand, United States, Canada |