Family name Giff (Giff 
) , worldwide, is a rare cognomen. The cognomen Giff is habitual in Ireland, where it is a rare surname, Canada, and the United Kingdom. In absolute terms, it is the most numerous in the United States, the United Kingdom, and Canada. Much less frequently, Giff is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Giff | Myanmar, Indonesia, United States, United Kingdom, Canada |
| patricia reilly giff American children's writer, US (b. 1935) |
|
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| sarah t giff researcher (ORCID 0000-0003-2586-6655) |
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