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