PROBLEM TO BE SOLVED: To provide a spinning reel for fishing with a seal member in good fitting state.SOLUTION: A spinning reel for fishing includes: a reel body 1 a spool shaft 9 arranged in the reel body 1 and supporting a spool 3 which allows a fishing line to be wound thereon a pinion 8 to which the spool shaft 9 is inserted so as to be movable in the front and rear direction and a rotor 2 is fixed a nut 20 fixing the rotor 2 on the pinion 8 by being screwed into the pinion 8 and a seal member 30 placed at a tip portion of the pinion 8 and having a lip portion 33 brought in contact with the peripheral surface of the spool shaft 9. The nut 20 has an engaging portion 23 engaged with the seal member 30, and the engaging portion 23 is engaged with the seal member 30 by screwing the nut 20 into the pinion 8 and regulates the movement of the seal member 30 in the slip-off direction.COPYRIGHT: (C)2014,JPO&INPIT【課題】シール部材の良好な装着状態を得る。【解決手段】リール本体1と、リール本体1に設けられ、釣糸が巻回されるスプール3を支持するスプール軸9と、スプール軸9が前後動可能に挿通され、ロータ2が固定されるピニオン8と、ピニオン8に螺合されることで、ピニオン8にロータ2を固定するナット20と、ピニオン8の先端部に配置され、スプール軸9の周面に接触するリップ部33が設けられたシール部材30と、を備え、ナット20は、シール部材30に係合する係合部23を備えており、係合部23は、ナット20がピニオン8に螺合されることによりシール部材30に係合して、シール部材30の抜け方向の移動を規制する構成とした。【選択図】図2