Surname Kennach (Kennach 
) , in all the world, is a very rare last name. The surname Kennach is habitual in New Zealand, where it is a rare surname, Australia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Kennach is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kennach | United States, Australia, New Zealand, China |