Last name Cleaf (Cleaf 
) , in all the world, is a very rare surname. The cognomen Cleaf is habitual in Tanzania, where it is a very rare surname, Germany, and the United States, where it is an extremely rare surname. Very seldom, Cleaf is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cleaf | Germany, United States, Philippines, Tanzania |
| george van cleaf American swimmer and water polo player, US (b. 1879) |
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