Surname Dregg (Dreg 
, Dregg 
) , around the world, is a very rare family name. The cognomen Dregg is habitual in Algeria, where it is a rare surname, New Zealand, and the United Kingdom, where it is an extremely rare surname. Also, Dregg is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dreg | Philippines, Myanmar, India, Algeria, United States |
| Dregg | Canada, New Zealand, United States |