陳共公（？ - 前614年），媯姓，名朔，為春秋諸侯國陳國君主之一，他為陳穆公兒子，承襲陳穆公擔任該國君主，在位期間為前631年—前614年，共在位18年。

Duke Gong of Chen (陳共公 Chén Gòng Gōng; reigned 631 BC – died 614 BC) was the eighteenth ruler of the ancient Chinese state of Chen during the Spring and Autumn period. His ancestral surname was Gui, given name Shuo (朔), and Gong (共) was his posthumous name.

Duke Gong succeeded his father Duke Mu of Chen, who died in 632 BC after 16 years of reign. He reigned for 18 years and died in 614 BC. He was succeeded by his son Pingguo, posthumously known as Duke Ling of Chen.