| Hōjō Nagatoki Japanese: 北条 長時 | |
| Office: | Shikken |
| Term Start: | 1256 |
| Term End: | 1264 |
| Predecessor: | Hōjō Tokiyori |
| Successor: | Hōjō Masamura |
| 1Blankname: | Shōgun |
| 1Namedata: | Prince Munetaka |
| 2Blankname: | Rensho |
| 2Namedata: | Hōjō Masamura |
| Birth Date: | 11 April 1230 |
| Spouse: | daughter of Hōjō Tokimori |
| Father: | Hōjō Shigetoki |
| Mother: | Jibu no Tsubone (daughter of Taira no Motochika) |
Hōjō Nagatoki (1227–1264) was the sixth Shikken (1256–1264) of the Kamakura Bakufu and the 4th Chief of the Rokuhara Tandai North Branch Kitakata, son of Hōjō Shigetoki, grandson of Hōjō Yoshitoki, the second Shikken.[1]