| Abbreviation | Definition |
|---|---|
| KFF | Kaiser Family Foundation's |
| KFF | King Faisal Foundation |
| KFF | Krakow Film Foundation |
| KFFN | Kalayaan Fiesta Foundation Netherlands |
| KFH | Kuok Foundation House |
| KFHF | Kendrick Fincher Hydration Foundation |
| KFHPW | Kaiser Foundation Health Plan of Washington |
| KFI | Krishnamurti Foundation India |
| KFOC | Kidney Foundation Of Canada |
| KFQ | Korean Foundation for Quality |
| KFW | Kentucky Foundation for Women |
| KGF | Krishi Gobeshona Foundation |
| KHF | Kansas Health Foundation |
| KHF | Katharine Howard Foundation |
| KHF | Kokua Hawaii Foundation |
| KHYF | Krishnamacharya Healing Yoga Foundation |
| KIF | Kiwanis International Foundation |
| KKF | Khidmat e Khalq Foundation |
| KKF | King Khalid Foundation |
| KKSF | Kanchi Kamakoti Seva Foundation |