In the entire world, Blacklock (Blacklock 
) is an extremely rare male first name. Much more frequently, Blacklock is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Blacklock | United Kingdom, Australia, United States, Canada, New Zealand |
| carne blacklock New Zealand cricketer, NZ (b. 1884) |
|
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| ray blacklock Australian rugby league footballer (1955-2020), AU (b. 1955) |
|
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| ross blacklock American football player (born 1998), US (b. 1998) |
|