Cognomen Kniffin (Kniffin 
) , all around the world, is a rare surname. The family name Kniffin is habitual in the United States, where it is a rare surname, New Zealand, and Belgium, where it is a very rare surname. In absolute terms, this name is the most popular in the United States, Mexico, and Belgium.
| VARIANT | COUNTRY |
|---|---|
| Kniffin | Canada, New Zealand, United States, Mexico, Belgium |
|
frank c. kniffin American politician (1894-1968), US (b. 1894) |
|
| harry anable kniffin American author, US (b. 1876) |
|
|
| chuck kniffin baseball player and coach, US (b. 1950) |
|
|
| mahdah r. kniffin Art collector and philanthropist |
|
|
| dick kniffin college basketball player (1961–1961) Bucknell |
|
|
| kevin m kniffin researcher (ORCID 0000-0002-2272-7919) |
|