Last name Splawn (Splawn 
) , all over the world, is quite a rare cognomen. The family name Splawn is habitual in the United States, where it is a rare surname, Canada, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Splawn | United Kingdom, United States, Canada |
|
walter marshall william splawn American lawyer and economist, US (b. 1883) |
|