A fishing reel includes a reel body that supports a spool so as to be rotatable, and a spool brake. The spool brake includes an operator and a braking force adjuster. The operator is configured to be rotatable and axially immovable with respect to the reel body, and has an internal space extending in an axial direction and opening axially outwardly. The braking force adjuster is disposed in the internal space and is configured to be axially movable with respect to the reel body in conjunction with rotation of the operator to adjust a braking force of the spool.