Thomas O'Donnell
Thomas O'Donnell may refer to:
- Thomas [Joseph O'Donnell], Australian Catholic priest
- Thomas O'Donnell (Irish nationalist politician), Irish nationalist MP
- Thomas O'Donnell (Sinn Féin politician), Irish Sinn Féin represented Sligo-Mayo East in the 1920s
- Thomas A. O'Donnell, oil industrialist and builder of the O'Donnell Golf Club in Palm Springs, California
- Thomas E. O'Donnell (draft opponent), powerful force in New York draft riots
- Thomas E. O'Donnell (judge), Irish judge
- Tom O'Donnell (cricketer), Australian cricketer
- Tom O'Donnell (physician), New Zealand medical doctor
- Tom O'Donnell (politician), Irish Fine Gael TD and MEP