A vehicle air cleaner mounting structure is disposed in a space between a shelf portion of a fender apron and a hood. The mounting structure has support portions at at least three points. A protruding portion of the air cleaner protrudes farther inward in a vehicle width direction than a vertical wall of the fender apron. The support portions are disposed outside the protruding portion in the vehicle width direction, the first support portion and the second support portion positioned inside in the vehicle width direction out of the support portions are disposed on a phantom axis line extending in a vehicle front-rear direction in a plan view. The air cleaner is supported to be able to turn about the phantom axis line, and the third support portion is disposed outside the phantom axis line in the vehicle width direction.