A driver monitoring device mounting structure that includes: a driver monitoring device main body that is attached to a steering column； a supporting component that has an anchoring portion and a fastening portion, and that supports a connector that is attached to a lead wire that is drawn out from the driver monitoring device main body； and a column cover that has a temporary fixing portion to which the anchoring portion is temporarily fixed, and a fixing portion to which the fastening portion is fixed, and that covers the steering column.
