- "You might have outlawed their magic, but their people still love them."
- "It's because they don't know them!"
- —Elizabeth and the Wizard on witches[src]
The cardinal witches are the prime witches of Oz, carrying with them immense power. They are linked to the four geographical sides of Oz: north, east, south and west.
Known cardinal witches
- East, also referred to as the Witch of the East and The Mistress of the Eastern Wood, The Most Merciful and Stern. She is deceased.
- Glinda, also referred to as the Witch of the North and Maiden of the Northern Light, Mother of the Sound and Pure.
- Mother South is known as the Witch of South and the mother of all witches.
- West, also referred to as the Witch of the West and Mistress of the Western Fields, Vessel of Truth and Solace.