Surname Byock (Byock 
) , all over the world, is a very rare family name. The surname Byock is habitual in Northern America, particularly the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Byock | United States |
|
ira byock American physician, US (b. 1951) |
|
| jesse byock American archaeologist (b. 1945) |
|