Cognomen Flannel (Flanel 
, Flannel 
, Flaine 
) , around the world, is a rare family name. The last name Flannel is characteristic of Indonesia, where it is a rare surname, the United States, where it is a very rare surname, and France, where it is an extremely rare surname. Likewise, Flannel is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Flanel | Indonesia, United States, Democratic Republic of the Congo, Brazil |
| Flannel | Indonesia, United States, Canada, United Kingdom |
| Flaine | Philippines, Brazil, India, France, United States |
| Flonel | Brazil, United States, Philippines |