Cognomen Southway (Southway 
) , in all the world, is a rare family name. The family name Southway is characteristic of the United Kingdom, where it is a rare surname, Australia, where it is a very rare surname, and France. In absolute terms, this name is the most popular in the United Kingdom, the United States, and Australia. Very seldom, Southway is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Southway | Canada, France, United States, Australia, United Kingdom |