Hōjō Tokimasa, Japanese shikken of the Kamakura bakufu (born 1138)

Hōjō Tokimasa was a Japanese samurai lord who was the first shikken (regent) of the Kamakura shogunate and head of the Hōjō clan. He was shikken from 1203 until his abdication in 1205, and Protector of Kyoto from 1185 to 1186.

The shikken was a senior government post held by members of the Hōjō clan, officially a regent of the shogunate. From 1199 to 1333, during the Kamakura period, the shikken served as the head of the bakufu. This era was referred to as Regent Rule .

The Kamakura shogunate was the feudal military government of Japan during the Kamakura period from 1185 to 1333.