Michael O'Donnell, English physician, author, and journalist
Michael O'Donnell (20 October 1928 – 6 April 2019) was a British physician, journalist, author and broadcaster.

He became a full-time writer after working for 12 years as a doctor. On BBC Radio Four he was the last chairman and word-setter of My Word! and wrote and presented Relative Values. On BBC Television he presented the O’Donnell Investigates series and, on Yorkshire Television, the controversial Tuesday Documentary Is Your Brain Really Necessary?. He worked as a newspaper and magazine columnist, published three novels, edited World Medicine, wrote and presented over 100 television and radio documentaries, and helped found the charity HealthWatch.