To provide a connector connection structure in which a work for confirmation of a connection state can be easily performed.SOLUTION: A connector connection structure of a vehicle seat 1 has: a female connector 32 and a male connector 31 which can be fitted to each other; a coupling member 34 which can be coupled to the female connector and the male connector in the state that the female connector and the male connector are properly fitted to each other, and on the other hand, cannot be coupled to the female connector and the male connector in the state that the female connector and the male connector are not properly fitted to each other; and a structure 12 which constitutes a skeleton of the vehicle seat, and to which the coupling member is coupled.SELECTED DRAWING: Figure 2
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