Will 265/75R16 tires fit without a lift?

That’s what I have on mine. No lift

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They will rub off road. Rubicon Jeeps have wider flares to cover smaller tires and they just barely fit.

Just to be clear, 32" tires don't fit on a stock Jeep without rubbing. The tire you listed is 31.6" which is slightly larger than a 32" KO2 which measures 31.5" in diameter.

For the mall go for it. For the trail get the correct size which is 31" max and that means about 30.5" in real tire size.