Katharine Blake (11 September 1921 – 1 Maart 1991) was 'n Suid-Afrikaans gebore Britse aktrise en skryfster. Sy was bekend vir haar rolle in die rolprente Assassin for Hire (1951) en Anne of the Thousand Days (1969), en in die televisiereekse Folio (1955) en Public Eye (1965).
- 1951: Assassin for Hire
- 1958: Now That April's Here
- 1963: To Have and to Hold
- 1969: Anne of the Thousand Days
- 1949: Scope
- 1952: Encounter
- 1953: Playbill
- 1955: Folio
- 1955: First Performance
- 1955: CBC Summer Theatre
- 1963: Dimensions of Fear
- 1965: Public Eye
- 1965: Undermind
- 1967: Seven Deadly Virtues
- 1971: Suspicion
- 1972: No Exit
- 1981: Sunday Night Thriller
- 1948: Wuthering Heights
- 1953: The Affair at Assino
- 1956: The Hill
- 1957: Who Destroyed the Earth
- 1959: The Family Reunion
