ON-VEHICLE STORAGE DEVICE

Provided is an on-vehicle storage device that includes: a storage box including a box body having a storage space and having an upward-facing opening and a box peripheral portion disposed at a peripheral edge of the opening and a design panel disposed on an upper side of the storage box and having a window portion facing the opening and a design window frame portion that is disposed at a peripheral edge of the window portion and that faces the box peripheral portion The design window frame portion and the box peripheral portion are slidable relative to each other in a first direction intersecting an up-down direction while engaging with each other. The storage box and the design panel are combined with each other by sliding in the first direction.