Jamie Dimon took a thinly veiled swipe at “anti-business” Mayor-elect Zohran Mamdani — warning that the left-wing pol’s tax-and-spend agenda could “backfire” and drive big taxpayers and major companies out of the city.

The JPMorgan Chase CEO didn’t mention Mamdani by name in his Thursday remarks at a conference in Miami, but made several pointed references to the hard-left ideas espoused during his campaign. Those include free childcare and free buses — and pledges to soak the rich to foot the bill.

“This notion of somehow being anti-business is going to help average American citizens, even the lower paid,” he told an audience at the American Business Forum, a Saudi Arabia-backed summit in Miami. “I don’t agree with the concept.”

The 69-year-old Wall Street titan likewise warned that “

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