Peter O'Donnell (1920–2010) was a British writer.

Peter O'Donnell may also refer to:

• Peter O'Donnell (sailor) (1939–2008), Australian sailor
• Peter O'Donnell (businessman) (1924–2021), American businessman, philanthropist and politician

• Peadar O'Donnell (1893–1986), Irish writer and political activist
• List of people named O'Donnell

This disambiguation page lists articles about people with the same name.
If an internal link led you here, you may wish to change the link to point directly to the intended article.