Lists of Greek Gods and Goddesses are available at GreekGodsandGoddesses.net and Gods-and-Monsters.com. Both sites offer a thorough list of both major and minor deities in the Greek pantheon.
According to most scholarly traditions, there are 12 major gods and goddesses in the Greek pantheon. These figures are often referred to as the Twelve Olympians, in reference to their status as members of the council of gods that ruled from Mount Olympus. However, the Greek tradition has dozens of additional minor deities. Greek mythology also makes reference to Titans, deities who existed before the Greek gods, as well as demi-gods, the divine offspring of a god and a human.