The 2001 Mr. Olympia contest was an IFBB professional bodybuilding competition held October 26-28, 2001 at the Mandalay Bay Arena in Las Vegas, Nevada.
The total prize money awarded was $351,000.
Ronnie Coleman won his fourth consecutive Mr. Olympia title.
Jay Cutler and Markus Ruhl tested positive for banned diuretics however the results were discarded after it was discovered the drug testing laboratory employed by the IFBB was no longer designated as an official accredited lab by the International Olympic Committee.
Mr Olympia 2001 results