The newspaper published its top 100 media figures for the 11th successive year yesterday.
Facebook founder Mark Zuckerberg led the rankings, beating Twitter co-founder Jack Dorsey into second place and Google's Larry Page into third.
Figures from the world of entertainment included Simon Cowell at 9, Max Clifford at 25, Jamie Oliver at 38, Graham Norton at 66, Jeremy Clarkson at 74, Julian Fellowes at 78, Caitlin Moran at 85, Steven Moffat at 92, Lord Sugar at 99 and The Only Way Is My Big Fat Gypsy Wedding at 100.
On publication of the final list, Morgan quipped on Twitter: "Absolutely devastated not to have made the @mediaguardian Top 100 Power list. Especially with @Lord_Sugar sneaking in at 99. #intears "
Morgan and his friend Alan Sugar have repeatedly bickered with one another on the social networking site.
The CNN presenter has now been nominated for a special 101st entry, alongside Colette Bowe, Katy Bravery, David Cameron, Nick Davies, Fru Hazlitt, Martin Lewis, Bob Shennan, Michael Acton Smith and Gwyneth Williams.
Readers can vote now in The Guardian's poll for the 101st MediaGuardian 100.
The top ten in the MediaGuardian 100 were as follows:
1. Mark Zuckerberg
2. Jack Dorsey
3. Larry Page
4. Mark Thompson
5. Steve Jobs
6. Rupert Murdoch
7. Paul Dacre
8. Sir Martin Sorrell
9. Simon Cowell
10. Lord Justice Leveson