Catherine Baker

Catherine or Catharine Baker may refer to:
 * Catherine Baker Knoll (1930–2008), lieutenant governor of Pennsylvania
 * Catharine Baker (born 1971), American politician formerly serving in the California State Assembly
 * Cathy Baker (actress) (born 1947), American actress known for Hee Haw
 * Cathy Baker (field hockey) (born 1957), New Zealand field hockey player
 * Kate Baker (Catherine Baker, 1861–1953), teacher and literary guardian of Joseph Furphy's works