Cognomen Wyatt-Spratt (Wyatt-Spratt 
) , around the globe, is a very rare last name. The cognomen Wyatt-Spratt is habitual in Australia and New Zealand, particularly Australia, where it is a very rare surname. Parts of the name also exists independently as a last name Wyatt, and a last name Spratt.
| VARIANT | COUNTRY |
|---|---|
| Wyatt-Spratt | Australia |