All around the world, Peniston (Peniston 
) is an extremely rare masculine first name. Much more prevalently, Peniston is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Peniston | United Kingdom, United States, South Africa, Trinidad and Tobago, Saint Vincent and the Grenadines |
| sir thomas peniston (1446-1506) (b. 1445) |
|