Surname Porther (Porther 
) , all around the world, is a very rare cognomen. The surname Porther is characteristic of Trinidad and Tobago, where it is quite a rare surname, Honduras, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in Trinidad and Tobago, the United States, and the United Kingdom. Very seldom, Porther is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Porther | South Africa, United Kingdom, United States, Honduras, Trinidad and Tobago |