He said wars in Ukraine and Israel could hit energy and food prices, and global trade.
Thousands have been killed in Israel and Gaza after an unprecedented attack by Palestinian militant group Hamas.
Mr Dimon, who leads America’s biggest bank, was speaking as the firm revealed its latest quarterly results.
It reported $13bn (£10.7bn) in profit over the three months to September, up 35% from the same period in 2022.
Which of the pending disasters is he talking about? We’re up to 3 or 4 now. One more and we get a mass extinction event for free.