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These are the official results of the Men's Shot Put event at the 1991 IAAF World Championships in Tokyo, Japan. There were a total number of 23 participating athletes, with the final held on Saturday August 31, 1991. Werner Günthör of Switzerland won the competition with a throw of 21.67 metres.
The original silver medallist, Georg Andersen of Norway, was disqualified and stripped of his medal after testing positive for anabolic steroids. The original bronze medallist (Lars Arvid Nilsen) was elevated to the silver while the fourth-placed Soviet thrower Aleksandr Klimenko received the bronze instead.