Last name Griffiths-Davies (Griffiths-Davies 
) , around the globe, is a very rare cognomen. The family name Griffiths-Davies is habitual in New Zealand, where it is a very rare surname, and the United Kingdom. Parts of the name also exists independently as a last name Griffiths, and a last name Davies.
| VARIANT | COUNTRY |
|---|---|
| Griffiths-Davies | New Zealand, United Kingdom |