27 cities
| City | 2025 Pop. ↓ |
|---|---|
| Fukuoka | 5,465,920 |
| Fukuyama | 460,453 |
| Fujisawa | 394,624 |
| Fukushima | 294,237 |
| Fukui-shi | 248,707 |
| Fuji | 240,014 |
| Fujieda | 132,859 |
| Fujinomiya | 121,515 |
| Fukayacho | 106,595 |
| Furukawa | 76,312 |
| Fukuchiyama | 68,735 |
| Fujioka | 63,358 |
| Fukuroi | 63,045 |
| Fussa | 62,296 |
| Futtsu | 51,650 |
| Fuchucho | 50,746 |
| Fujiyoshida | 49,055 |
| Funaishikawa | 35,318 |
| Fujishiro | 33,148 |
| Fukiage-fujimi | 28,334 |
| Fukuecho | 26,636 |
| Fukagawa | 26,152 |
| Funehikimachi-funehiki | 23,524 |
| Fujikawaguchiko | 23,097 |
| Fukumitsu | 19,535 |
| Fukura | 18,721 |
| Fujioka | 18,335 |