Jehova: Hebrew. The name by which God revealed himself to the ancient Hebrews (Ex. 6:2, 3).
Jesus: Middle Eastern. The central figure of Christianity, revered as the incarnation of God. A Galilean Jew under the Roman empire, he was regarded as a teacher and healer. In Islam, Jesus is considered one of God's important prophets, a bringer of scripture, a worker of miracles, and the Messiah. Muslims, however, believe Jesus was not divine and not crucified, but ascended bodily to heaven.
Jizo Bosatsu: Japanese. Protector of Mankind who rescues souls from hell.
Jogah, North American (Iroquois). Small spirit-folk (similar to faeries), representing aspects of nature (rocks, rivers, earth).
Jok: Zaire and Uganda, Africa. Rain god to whom goats are sacrificed.
Jumala: Finno-Ugrian. God of the sky, believed to make the earth fertile through the rains of the summer's thunderstorms.
Juno: Roman. The patron goddess and protector of the finances of ancient Rome; special counselor of the Roman state. Daughter of Saturn and sister (but also the wife) of the chief god Jupiter and the mother of Juventas, Mars, and Vulcan. Same as the Greek goddess Hera.
Juok: White Nile, Africa. Primal god who created all men on Earth.
Jupiter: Roman. King of the gods, equivalent of the Greek Zeus.
Juturna: Roman. Water nymph and goddess of healing with a temple in the Campus Martius, and a shrine in the Forum.
Jyeshtha: Indian. Goddess associated with bad luck, black magic, and revenge.