Spec O'Donnell
- Title: Spec O'Donnell
- Popularity: 2.03
- Known For: Acting
- Birthday: 1911-04-09
- Place of Birth: Fresno, California, USA
- Homepage:
- Also Known As: Walter O'Donnell, Walter 'Speck' O'Donnell, Walter 'Spec' O'Donnell, Speck O'Donnell, 'Spec' O'Donnell, Walter D. "Spec" O'Donnell