Jei or JEI may refer to:Spanish: A colloquial interjection that means "hi", "hey there", or "hey" Mokilese: An intransitive verb that means "to paddle" or "to go by boat" Jane Castro, American entertainer Journal of Electronic Imaging Yei language, spoken in Papua New Guinea Jei, member of South Korean girl group Fiestar JEI Corporation, a South Korean educational company .