Howard St. John (9 Oktober 1905 – 13 Maart 1974) was 'n Amerikaanse akteur. Hy was bekend vir sy rolle in die rolprente Born Yesterday (1950), The Men (1950), Strangers on a Train (1951), en One, Two, Three (1961).
- 1941: Merchant Seamen
- 1950: Born Yesterday
- 1950: The Men
- 1950: Customs Agent
- 1950: Counterspy Meets Scotland Yard
- 1950: David Harding, Counterspy
- 1951: Strangers on a Train
- 1951: The Big Night
- 1951: Close to My Heart
- 1959: Li'l Abner
- 1961: One, Two, Three
- 1964: Strait-Jacket
- 1951: Fairmeadows, U.S.A.
- 1958: The Investigator
- 1959: Our American Heritage
- 1965: Hank
- 1960: Destiny, West!
- 1963: The Patriots
