FF may refer to any of the following:
1. FF is an abbreviation for Firefox.
2. FF is an acronym for fast forward.
3. FF is an acronym for friends forever.
4. FF is an acronym for form feed. It may also appear as a button or command on the printer. When pressed, it advances a page in your printer.
5. FF is short for forfeit and is a term used in gaming when a person or team gives up.