Family name Boughan (Boughan 
) , all over the world, is a rare last name. The family name Boughan is characteristic of the United States, where it is a rare surname, South Africa, where it is a very rare surname, and Canada. Measured by absolute frequency, it is commonest in the United States, South Africa, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Boughan | Canada, United Kingdom, United States, South Africa, Australia |