Last name Keylock (Keylock 
) , all around the world, is a rare family name. The cognomen Keylock is habitual in Isle of Man, where it is quite a rare surname, the United Kingdom, where it is a rare surname, and New Zealand. In absolute terms, it is commonest in the United Kingdom, South Africa, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Keylock | Australia, South Africa, Canada, United Kingdom, United States |
| henry keylock British politician (b. 1836) |
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| tom keylock GB (b. 1926) |
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| chris j. keylock fluid mechanics researcher at Loughborough University |
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