Provided is a universal fishing reel in which an intermediate frame body is configured such that a third mounting portion for a spool of the frame body has a body surrounder covering the outer sides of both large-diameter portions having different sizes of spool bodies for winding a line to universally receive all different kinds of spools and the body surrounder has an inner diameter corresponding to the minimum large-diameter portions of different kinds of spools, or a first intermediate or second intermediate cover is configured such that a cover surrounder has an inner diameter corresponding to the minimum large-diameter portions of different kinds of spools when a gear-side first side cover or a palm-side second side cover has the cover surrounder covering the outer side of both large-diameter portions of a spool body.