Katherine Tudor

Katherine Tudor may refer to:
 * Katherine Woodville, Duchess of Bedford, wife of Jasper Tudor
 * Katherine Tudor, Princess of England, daughter of Henry VII of England and Elizabeth of York
 * Katheryn of Berain, Welsh noblewoman also known as Katherine Tudor
 * Katherine of Aragon, Queen of England and first wife of Henry Tudor (Henry VIII) and only wife of Arthur Tudor
 * Katherine Howard, Queen of England and fifth wife of Henry VIII
 * Katherine Parr, Queen of England and sixth wife of Henry VIII