Shun'ei is a Japanese name. It may refer to:
People
Katsukawa Shun'ei (1762–1819), a Japanese ukiyo-e artist Nishida Shun'ei (b. 1953), a Japanese painter Shun-ei Izumikawa, a Japanese astronomer
Other
NEC Shun-Ei, a Nihon Ki-in Go competition. Shun'ei (The King of Fighters), a fictional fighting game character from The King of Fighters figthing game series.