Around the globe, Dennehy (Dennehy 
, דנהי 
) is an extremely rare male first name. Predominantly, Dennehy is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Dennehy | Canada, Australia, United States, United Kingdom, Ireland |
| דנהי | Israel |
| miah dennehy Irish footballer, IE (b. 1950) |
|
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| sir harold dennehy (died 1956) |
|
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| sir thomas dennehy Peerage person ID=623081 |
|