Katharine Barker may refer to:
Katharine Barker (actress) (born 1941), English actress Katharine Marie Barker (1891–1984), American painter Kate Barker (Katharine Mary Barker, born 1957), British economist
See also Katherine Barker (disambiguation) Catherine Barker, British figure skater Kate Barker (disambiguation) Kathy Barker (born 1953), American scientist and science fiction writer