A fishing line guide which is attached to a fishing rod and guides a fishing line. The fishing line guide includes a guide ring through which a fishing line passes, a support leg connected to the guide ring at an upper end, and an attachment foot extending from a lower end of the support leg and configured to be attached to a fishing rod. The attachment foot has a base end adjoining the lower end of the support leg and a leading end located opposite the base end. The attachment foot includes a slit portion and a pair of convex portions. The slit portion is perforated in the attachment foot along a central axis of the attachment foot from the base end toward the leading end. A pair of the convex portions are located at the slit portion and protrude toward the central axis respectively.