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

• Kathy Baker (born 1950), American stage, film and television actress
• Kathy Guadagnino (born 1961), American golfer who played under her maiden name of Kathy Baker
• Katie Baker (born 1984), Canadian field hockey player
• Baker (surname)

This disambiguation page lists articles about people with the same name.
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