Duke You of Chen (Chinese: 陳幽公; pinyin: Chén Yōu Gōng; reigned 854 BC – died 832 BC), personal name Gui Ning, was a duke of the Chen state.^[1]

Duke You succeeded his father Duke Shèn, who died in 855 BC. He died in 832 BC, the tenth year of the Gonghe Regency, after a reign of 23 years. He was succeeded by his son, Xiao (Duke Xi).^[1]

• Han, Zhaoqi, ed. (2010). "Houses of Chen and Qi". Shiji 史记 (in Chinese). Zhonghua Book Company. ISBN 978-7-101-07272-3.