Family name Harlley (Harlley 
) , across the world, is a rare cognomen. The last name Harlley is habitual in Ghana, where it is quite a rare surname, Nicaragua, where it is a very rare surname, and Colombia. Measured by absolute frequency, it is the most numerous in Ghana, the United States, and Colombia. Also, Harlley is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Harlley | Colombia, Brazil, United States, Ghana, United Kingdom |
| john willie kofi harlley former minister and Inspector General of Police (1919-1980), GH (b. 1919) |
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| alex harlley Togolese footballer, TG (b. 1992) |
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