55 cities
| City | 2025 Pop. ↓ |
|---|---|
| Nagoya | 9,534,790 |
| Niigata | 793,974 |
| Nishinomiya-hama | 468,925 |
| Nagasaki | 396,587 |
| Nara-shi | 367,353 |
| Nagano | 364,210 |
| Naha | 317,702 |
| Neyagawa | 238,549 |
| Numazu | 204,318 |
| Nagaoka | 195,318 |
| Nishi-Tokyo-shi | 195,164 |
| Nagareyama | 156,000 |
| Niihama | 123,059 |
| Nobeoka | 121,949 |
| Noda | 121,411 |
| Nishio | 103,337 |
| Narita | 100,641 |
| Nabari | 88,128 |
| Nakatsu | 67,372 |
| Niitsu-honcho | 65,910 |
| Narutocho-mitsuishi | 64,082 |
| Nagahama | 62,089 |
| Nago | 59,587 |
| Nogata | 56,821 |
| Nanto-shi | 55,315 |
| Nakatsugawa | 55,011 |
| Noshiro | 51,079 |
| Nonoichi | 48,354 |
| Naka | 46,760 |
| Nakama | 46,745 |
| Numata | 45,526 |
| Nanao | 45,309 |
| Nichinan | 44,243 |
| Nishifukuma | 43,154 |
| Nakano | 42,708 |
| Naze | 41,365 |
| Nishiwaki | 36,953 |
| Nihommatsu | 36,287 |
| Nishishinminato | 35,994 |
| Namerikawa | 34,638 |
| Nakamura | 34,559 |
| Nirasaki | 33,263 |
| Ninomiya | 31,412 |
| Nemuro | 31,223 |
| Nagai | 31,026 |
| Nyuzen | 27,585 |
| Nayoro | 26,457 |
| Naruto | 25,696 |
| Niimi | 23,787 |
| Nagato | 23,101 |
| Namie | 21,866 |
| Namioka | 20,681 |
| Nishinoomote | 17,832 |
| Nakanojomachi | 17,741 |
| Nikko | 16,041 |