| Marquess Gong of Han 韓共侯 | |
| Succession: | Marquess of Han |
| Reign: | 374–363 BC |
| Predecessor: | Marquess Ai |
| Successor: | Marquess Xi (韓釐侯) |
| Full Name: | Ancestral name Jī (姬) |
| House: | Ji |
| Dynasty: | Han |
| Posthumous Name: | Marquess Gong (共侯) or Marquess Gong (恭侯) or Marquess Yi (懿侯) or Marquess Zhuang (莊侯) |
| Death Date: | 363 BC |
Marquess Gong of Han (; died 363 BC), personal name Han Ruoshan (韓若山), was the ruler of the Han state from 374 BC until his death in 363 BC. He was the son of Marquess Ai, whom he succeeded.[1]
After Marquess Ai was killed, the nobles supported Marquess Gong to be the next ruler of Han. After Marquess Gong died due to illness in 363 BC, the throne then passed to Marquess Xi (韓釐侯), another son of Marquess Ai.