Harry Shannon (13 Junie 1890 – 27 Julie 1964) was 'n Amerikaanse akteur. Hy was bekend vir sy rolle in die rolprente Citizen Kane (1941), High Noon (1952), Executive Suite (1954), en Touch of Evil (1958).
- 1939: The Middleton Family at the New York World's Fair
- 1941: Citizen Kane
- 1943: Headin' for God's Country
- 1943: Someone to Remember
- 1943: Song of Texas
- 1944: The Yellow Rose of Texas
- 1946: San Quentin
- 1949: Mary Ryan, Detective
- 1950: Cow Town
- 1952: High Noon
- 1953: Kansas Pacific
- 1954: Executive Suite
- 1954: Phantom Stallion
- 1957: Duel at Apache Wells
- 1957: The Travellers
- 1958: Touch of Evil
- 1956: The Sheriff of Cochise