Cargo room structure for vehicle

A cargo room structure includes a cargo room R provided in a rear part of a vehicle, a pair of side walls (trunk trims 6) opposed to each other in a lateral direction Y of the vehicle and forming a part of the cargo room R, a rear cargo board 13 (cargo room partition member) which is engaged with the pair of the side walls so as to bridge the side walls, and a releasing device 43 having a handle (operating member) 48 provided on a mounting face of the cargo room partition member, and adapted to release the engagement between the pair of the side walls and the cargo roompartitionmember in association with operation of the handle 48, whereby both side parts of the rear cargo board (the cargo room partition member) 13 can be lifted and lowered along the pair of the side walls.