| Full name | Frederikshavn forenede Idrætsklubber |
|---|---|
| Founded | 1931 |
| Ground |
Frederikshavn Stadion, Frederikshavn |
| Capacity | 15,000 |
| Chairman | Christian Kærsgaard |
| Manager | Frode Langagergaard |
| League | Jutland Series |
| 2007–08 | Denmark Series Pool 2, 14th |
Frederikshavn forenede Idrætsklubber (also known as FfI or Frederikshavn fI) is a Danish sports club based in Frederikshavn. The club has branches in football, handball, swimming, gymnastics and wrestling.
The football team spent a total five seasons in the top-flight Danish 1st Division during the 1960s and 1970s. Its most famous player through time is Harald Nielsen.