Karl Hackett
- Title: Karl Hackett
- Popularity: 2.17
- Known For: Acting
- Birthday: 1893-09-05
- Place of Birth: Carthage, Missouri, USA
- Homepage:
- Also Known As: Carl Ellsworth Germain, William Karl Germain, William Karl Hackett, William K. Hackett, Wm. Karl Hackett, William Hackett, Karl Hacket, Carl Hackett, Carl E. Germain