| Duke Wu of Chen 陳武公 | |
| Succession: | 8th ruler of Chen |
| Reign: | 795–781 BC |
| Predecessor: | Duke Xi of Chen |
| Successor: | Duke Yi of Chen |
| Full Name: | Gui Ling (媯靈) |
| Father: | Duke Xi of Chen |
| Issue: | Duke Yi of Chen Duke Ping of Chen |
| Death Date: | 781 BC |
| House: | Gui |
| Dynasty: | Chen |
| Posthumous Name: | Duke Wu (武公) |
Duke Wu of Chen (; reigned 795 BC – died 781 BC), personal name Gui Ling, was a ruler of the Chen state.
Duke Wu succeeded his father Duke Xi of Chen, who died in 796 BC. He reigned for 15 years and died in 781 BC. Duke Wu was succeeded by his son, Yue (Duke Yi).