Ding Yi may refer to:

People Ding Yi (Han dynasty) (died 220), official under the Han dynasty warlord Cao Cao Ding Yi (businessman) (1927–2019), founder of Dongfang Electric Corporation Ding Yi (admiral) (born 1959), deputy commander of the PLA Navy Ding Yi (table tennis) (born 1959), Chinese-born Austrian table tennis player Yi Ding (actress) (born 1983), Chinese-born American actress Ding Yi (actress) (1942–2000), winner of the best supporting actress award at the 5th Golden Rooster Awards Ding Yi (artist) (born 1962), Chinese contemporary artist Ding Yi, fictional physicist, protagonist of Ball Lightning and minor character in Remembrance of Earth's Past Ding Yi, protagonist in Shi Tiesheng's novel My Sojourn in Ding Yi

Other uses Ding Yi Music Company