A scroll compressor, wherein a guide passage (30) facing the supply passage (34) of a fixed side substrate part (26) is formed at the outer peripheral portion of a fixed scroll (22) engaged with a movable scroll (24) along the axial direction of the fixed scroll (22). A lubricating oil is stored in an oil storage tank (114) surrounded by a set of weir walls formed along the guide passage (30) and the movable side substrate part (106) of the movable scroll (24) facing a fixed side spiral wall (28). The movable side substrate part (106) is radially displaced by the turning action of the movable scroll (24) to supply the lubricating oil stored in the oil storage tank (114) to the movable scroll (24) side.
