A lot of Wiccans focus more on the Goddess aspect than the God, but both are equally important. There are many Goddess', some people invoke whichever fits best with the ritual they are performing, others have a patron Goddess, one who fits with them perfectly. A few are listed here, and more will be added in the future.
The Mother Earth, Anu is a Goddess of fertility, bringing prosperity and comfort.
Arianrhod is the mother aspect of the Triple Goddess. She is honored at the full moon, and is associated with beauty, fertility and reincarnation.
Badb is the Irish mother aspect of the Triple Goddess. She is associated with the cauldron, crows and ravens. Often invoked in rituals for life, wisdom, inspiration and enlightenment.
Banba is part of a triad with Fotia and Eriu. They used magick to repel invaders and are often invoked for spells to protect the home.
Blodeuwedd (blod-oo-eeth) / Blodwin / Blancheflor
Blodeuwedd is the maiden form of the Triple Goddess. She is Goddess of flowers, wisdom, lunar mysteries and is often invoked at initiations.
Boann (Boo-an) / Boannan / Boyne
Boann is Goddess of the river Boyne; and mother of Angus mac Og.
Branwen is a Goddess of love and beauty. She is said to bring brightness into the lives of those who invoke her.
Brigit (Breet) / Brid (Breed) / Brig / Brigid / Brighid
Brighis is invoked at Imbloc. She is Goddess of fire, fertility, the hearth, arts and crafts and martial arts. She is often invoked for rituals involving healing, physicians, agriculture, inspiration, learning, poetry, divination, prophecy, smithcraft, animal husbandry, love and occult knowledge.
Cerridwen is Goddess of nature. She is associated with death, fertility, regeneration, inspiration, magick, astrology, herbs, science, poetry, spells, knowledge.
Creiddylad / Creuydlad / Cordellia
Creiddylad is invoked at Beltane, and she is often called the May Queen. She is Goddess of summer flowers and love. Blossoms are used to honour her.
One aspect of the Triple Goddess. She represents old age or death, winter, the end of all things, the waning moon, post-menstrual phases of women's lives. All destruction that precedes regeneration through her cauldron of rebirth.
Danu / Danann / Dana (Thana) ((Ireland))
Danu is a form of Anu. She is mother of the Gods. Patroness of wizards, rivers, water, wells, prosperity and plenty. Often invoked to aid in gaining magickal wisdom.
Druinata ((All Celtic regions))
Mother of the tree calendar. Fertility, passion, trees, protection, knowledge, creativity.
Maiden aspect of the Goddess.
Goddess of fertility, maternity, protectress of horses, horse breeding, prosperity, dogs, healing springs, crops.Favoured by those who have an affinity with horses.
Eriu (Err-i-oo) / Erin
One of three queens of the Tuatha Da Danann.
Flidais is Goddess of forests, woodlands and wild things. She is often invoked in conjunction with Pan.
The Great Mother is The Lady. She is the female aspect of creation and goddess of fertility, the moon, summer and flowers. Invoked for rituals of love and healing.
Macha is a protectress both war and peace, although she is goddess of war and death. Said to be cunning and to aid with sheer force of will.
Margawse is the mother aspect of the Goddess.
The Morrigu (Moor-rig-oo) / Morrigan(Mor-ee-gan) / Morrighan / Morgan(Moor-gan)
She is the supreme war goddess. Morrigan is the crone aspect of the goddess. She is patroness of priestesses and witches. Associated with revenge, night, magick and prophecy.
Also known as the great Queen, Rhiannon is Goddess of birds and horses. Often invoked for fertility rituals.
Scathach is known as the shadowy one. She is the destroyer aspect of the Goddess. She was a warrior woman and prophetess who lived in Scotland, probably on the Isle of Skye, and she taught the martial arts. She is patroness of blacksmiths, healing, magick, prophecy, martials arts.
The White Lady is associated with the Crone aspect of the Goddess. She is Dryad of death.
Bastet (sometimes known as Bast), is a cat Goddess, and is associated with joy, music and dancing. She is also invoked for rituals of healing. Cats are sacred to her, and she is often depicted as a cat headed woman.
Hathor is an Egyptian mother Goddess and a protectress of pregnant women and young children. She is also Goddess of justice, music and dancing. Legend says she was the nurse of Horus.
Isis was Osiris' wife and the mother of Horus. She is associated with motherhood, love, healing and immortality, as well as the domestic arts.