Surname Birchett (Birchett 
) , all around the world, is a rare cognomen. The cognomen Birchett is habitual in Ireland, where it is a rare surname, the United States, and the United Kingdom, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Birchett | United Kingdom, United States, Canada, Ireland, Brazil |
| raymond birchett American architect, US (b. 1902) |
|